TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
LEUCO [12 records]
Record 1 - internal organization data 2017-05-12
Record 1, English
Record 1, Subject field(s)
- Petrography
Record 1, Main entry term, English
- leucocratic
1, record 1, English, leucocratic
correct, see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
- light-colored 2, record 1, English, light%2Dcolored
correct
- light-coloured 2, record 1, English, light%2Dcoloured
correct, Great Britain
- leuco- 2, record 1, English, leuco%2D
correct, prefix
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Applied to an igneous rock rich in light-colored minerals and poor in mafic minerals. 2, record 1, English, - leucocratic
Record number: 1, Textual support number: 1 OBS
As opposed to "melanocratic." 2, record 1, English, - leucocratic
Record number: 1, Textual support number: 2 OBS
The prefix "leuco-", meaning "light-colored" is often used before a name of rock, e. g. leucogabbro. 2, record 1, English, - leucocratic
Record number: 1, Textual support number: 3 OBS
leucocratic : term used at Natural Resources Canada - Earth Sciences Sector. 2, record 1, English, - leucocratic
Record number: 1, Textual support number: 1 PHR
leucocratic breccia, leucocratic granite 3, record 1, English, - leucocratic
Record 1, Key term(s)
- leuco
Record 1, French
Record 1, Domaine(s)
- Pétrographie
Record 1, Main entry term, French
- leucocrate
1, record 1, French, leucocrate
correct, see observation
Record 1, Abbreviations, French
Record 1, Synonyms, French
- leuco- 2, record 1, French, leuco%2D
correct, prefix
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
S'applique aux roches magmatiques riches en minéraux blancs. 3, record 1, French, - leucocrate
Record number: 1, Textual support number: 1 CONT
La proportion des minéraux foncés, facilement appréciable au simple coup d'œil, fournit une classification abrégée [des roches ignées], mais évidemment moins précise. On distingue les groupes suivants : [...] Roches leucocrates 5 à 35 [% de minéraux foncés]. 4, record 1, French, - leucocrate
Record number: 1, Textual support number: 1 OBS
leuco- : Préfixe couramment utilisé devant des noms de roches leucocrates. Ex. : leucogabbro. 2, record 1, French, - leucocrate
Record number: 1, Textual support number: 2 OBS
leucocrate : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 2, record 1, French, - leucocrate
Record number: 1, Textual support number: 1 PHR
brèche leucocrate, granite leucocrate 5, record 1, French, - leucocrate
Record 1, Key term(s)
- leuco
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Petrografía
Record 1, Main entry term, Spanish
- leucocrática
1, record 1, Spanish, leucocr%C3%A1tica
correct
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2012-02-07
Record 2, English
Record 2, Subject field(s)
- The Skin
Record 2, Main entry term, English
- achromia
1, record 2, English, achromia
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Vitiligo is more commonly known as leucoderma, which simply means white(leuco) skin(derma), i. e. a skin disorder where it looses its normal coloration. It is also medically known as achromia, which means loss of color. 1, record 2, English, - achromia
Record 2, French
Record 2, Domaine(s)
- Appareil cutané
Record 2, Main entry term, French
- achromie
1, record 2, French, achromie
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Absence de la coloration; spécifiquement, dépigmentation de la peau. 2, record 2, French, - achromie
Record number: 2, Textual support number: 1 CONT
[Le vitiligo est] une achromie circonscrite acquise, mais déterminée génétiquement dans plus d'un tiers des cas, pouvant apparaître à tout âge; il est l'apanage de l'adulte jeune. 1, record 2, French, - achromie
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Piel
Record 2, Main entry term, Spanish
- acromia
1, record 2, Spanish, acromia
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- acromasia 1, record 2, Spanish, acromasia
correct, feminine noun
Record 2, Textual support, Spanish
Record 3 - internal organization data 2011-03-15
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 3
Record 3, Main entry term, English
- 4,4’-(phenylmethylene)bis(N,N-dimethylaniline)
1, record 3, English, 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
correct, see observation
Record 3, Abbreviations, English
Record 3, Synonyms, English
- leuco base of Malachite Green 2, record 3, English, leuco%20base%20of%20Malachite%20Green
correct
- Malachite Green leuco base 3, record 3, English, Malachite%20Green%20leuco%20base
correct
- leucomalachite green 4, record 3, English, leucomalachite%20green
correct
- leuco-malachite green 5, record 3, English, leuco%2Dmalachite%20green
correct
- leuco malachite green 6, record 3, English, leuco%20malachite%20green
correct
- 4,4’-benzylidenebis(N,N-dimethyl aniline) 3, record 3, English, 4%2C4%26rsquo%3B%2Dbenzylidenebis%28N%2CN%2Ddimethyl%20aniline%29
avoid
- N,N,N’,N’-tetramethyl-4,4’-benzylidenedianiline 3, record 3, English, N%2CN%2CN%26rsquo%3B%2CN%26rsquo%3B%2Dtetramethyl%2D4%2C4%26rsquo%3B%2Dbenzylidenedianiline
avoid
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A chemical compoundwhich appears under the form of a white to off-white powder with greenish cast, has a molecular weight of 330.48 and a melting point between 99 and 103°C. 7, record 3, English, - 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
Record number: 3, Textual support number: 1 CONT
+ leuco bases : Colourless compounds formed by reduction of triphenylmethane dyes. Generally, they are amino or hydroxy derivatives of triphenylmethane. Use of this class name, which is more or less parochial to the technology of dyes, is not endorsed. E. g.(p-Me2NC6H4) 2CHPh, the leuco base of Malachite Green. [The prefix "p-"in the chemical formula must be italicized. ] 8, record 3, English, - 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
Record number: 3, Textual support number: 2 CONT
... chemical solutions used to enhance bloody impressions. ... in recent years, various RFISS members have been using other reagents [than Amido Black] (luminol, leucomalachite green, for example), so it was thought that we should test all of the various solutions ... 9, record 3, English, - 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
Record number: 3, Textual support number: 1 OBS
4,4’-(phenylmethylene)bis(N,N-dimethylaniline): The capital letters "N" must be italicized; form recommended by the IUPAC (International Union of Pure and Applied Chemistry). 1, record 3, English, - 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
Record number: 3, Textual support number: 3 CONT
Chemical formula: C6H5CH(C6H4N(CH3)2)2 or C23H26N2 7, record 3, English, - 4%2C4%26rsquo%3B%2D%28phenylmethylene%29bis%28N%2CN%2Ddimethylaniline%29
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- 4,4'-(phénylméthylène)bis(N,N-diméthylaniline)
1, record 3, French, 4%2C4%27%2D%28ph%C3%A9nylm%C3%A9thyl%C3%A8ne%29bis%28N%2CN%2Ddim%C3%A9thylaniline%29
correct, see observation, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- leucobase du vert Malachite 2, record 3, French, leucobase%20du%20vert%20Malachite
correct, feminine noun
- leucobase du vert malachite 3, record 3, French, leucobase%20du%20vert%20malachite
correct, feminine noun
- tétraméthyldiamino-4,4' triphénylméthane 3, record 3, French, t%C3%A9tram%C3%A9thyldiamino%2D4%2C4%27%20triph%C3%A9nylm%C3%A9thane
former designation, avoid, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Produit chimique se présentant sous la forme d'une poudre blanche ou blanchâtre, de masse moléculaire relative de 330.48 et dont le point de fusion se situe entre 99 et 103 °C. 4, record 3, French, - 4%2C4%27%2D%28ph%C3%A9nylm%C3%A9thyl%C3%A8ne%29bis%28N%2CN%2Ddim%C3%A9thylaniline%29
Record number: 3, Textual support number: 1 CONT
leucobase (base leuco); leuco base : Composé incolore résultant de la réduction d'un colorant dérivé du groupe du triphénylméthane. Généralement, ce sont des dérivés hydroxylés ou aminés du triphénylméthane. L'emploi de ce nom de classe, qui est plus ou moins particulier à la technologie des colorants, n'est pas recommandé. Par exemple : (p-Me2NC6H4)2CHPh, leucobase du vert Malachite. [Le préfixe «p-» dans la formule chimique s'écrit en italique.] 5, record 3, French, - 4%2C4%27%2D%28ph%C3%A9nylm%C3%A9thyl%C3%A8ne%29bis%28N%2CN%2Ddim%C3%A9thylaniline%29
Record number: 3, Textual support number: 1 OBS
4,4'-(phénylméthylène)bis(N,N-diméthylaniline) : Les lettres majuscules «N» s'écrivent en italique; forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée). 1, record 3, French, - 4%2C4%27%2D%28ph%C3%A9nylm%C3%A9thyl%C3%A8ne%29bis%28N%2CN%2Ddim%C3%A9thylaniline%29
Record number: 3, Textual support number: 2 OBS
Formule chimique : C6H5CH( C6H4N(CH3)2)2 ou C23H26N2 4, record 3, French, - 4%2C4%27%2D%28ph%C3%A9nylm%C3%A9thyl%C3%A8ne%29bis%28N%2CN%2Ddim%C3%A9thylaniline%29
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2009-10-21
Record 4, English
Record 4, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 4
Record 4, Main entry term, English
- 3-chloro-2-hydroxy-N, N, N-trimethyl-1-propanaminium chloride(1 : 1), reaction products with C. I. Leuco Sulphur Black 1
1, record 4, English, 3%2Dchloro%2D2%2Dhydroxy%2DN%2C%20N%2C%20N%2Dtrimethyl%2D1%2Dpropanaminium%20chloride%281%20%3A%201%29%2C%20reaction%20products%20with%20C%2E%20I%2E%20Leuco%20Sulphur%20Black%201
correct, see observation, plural
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
N: This capital letter must be italicized. 2, record 4, English, - 3%2Dchloro%2D2%2Dhydroxy%2DN%2C%20N%2C%20N%2Dtrimethyl%2D1%2Dpropanaminium%20chloride%281%20%3A%201%29%2C%20reaction%20products%20with%20C%2E%20I%2E%20Leuco%20Sulphur%20Black%201
Record 4, French
Record 4, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 4
Record 4, Main entry term, French
- produits de réaction du chlorure de 3-chloro-2-hydroxy-N,N,N-triméthylpropan-1-aminium (1:1) avec le noir de soufre leuco 1 (C.I.)
1, record 4, French, produits%20de%20r%C3%A9action%20du%20chlorure%20de%203%2Dchloro%2D2%2Dhydroxy%2DN%2CN%2CN%2Dtrim%C3%A9thylpropan%2D1%2Daminium%20%281%3A1%29%20avec%20le%20noir%20de%20soufre%20leuco%201%20%28C%2EI%2E%29
correct, see observation, masculine noun, plural
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
N : Cette lettre majuscule s'écrit en italique. 1, record 4, French, - produits%20de%20r%C3%A9action%20du%20chlorure%20de%203%2Dchloro%2D2%2Dhydroxy%2DN%2CN%2CN%2Dtrim%C3%A9thylpropan%2D1%2Daminium%20%281%3A1%29%20avec%20le%20noir%20de%20soufre%20leuco%201%20%28C%2EI%2E%29
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2009-10-19
Record 5, English
Record 5, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 5
Record 5, Main entry term, English
- 2, 4-dinitrobenzenamine, sulfurized, leuco derivatives
1, record 5, English, 2%2C%204%2Ddinitrobenzenamine%2C%20sulfurized%2C%20leuco%20derivatives
correct, plural
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, French
Record 5, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 5
Record 5, Main entry term, French
- dérivés leuco et sulfurés de la 2,4-dinitroaniline
1, record 5, French, d%C3%A9riv%C3%A9s%20leuco%20et%20sulfur%C3%A9s%20de%20la%202%2C4%2Ddinitroaniline
correct, masculine noun, plural
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2009-10-19
Record 6, English
Record 6, Subject field(s)
- Chemical Elements and Compounds
- Dyes and Pigments (Industries)
Universal entry(ies) Record 6
Record 6, Main entry term, English
- C. I. Leuco Sulphur Brown 26
1, record 6, English, C%2E%20I%2E%20Leuco%20Sulphur%20Brown%2026
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
A Color Index name. 2, record 6, English, - C%2E%20I%2E%20Leuco%20Sulphur%20Brown%2026
Record number: 6, Textual support number: 2 OBS
The Color Index Name is a type of international shorthand for identifying colors. The name consists of the following parts: The category and type of dye or pigment. General hue. Assigned number. 3, record 6, English, - C%2E%20I%2E%20Leuco%20Sulphur%20Brown%2026
Record 6, French
Record 6, Domaine(s)
- Éléments et composés chimiques
- Teintures et pigments (Industries)
Entrée(s) universelle(s) Record 6
Record 6, Main entry term, French
- brun de soufre leuco 26 (C.I.)
1, record 6, French, brun%20de%20soufre%20leuco%2026%20%28C%2EI%2E%29
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2009-09-28
Record 7, English
Record 7, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 7
Record 7, Main entry term, English
- C. I. Leuco Sulphur Blue 11
1, record 7, English, C%2E%20I%2E%20Leuco%20Sulphur%20Blue%2011
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, French
Record 7, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 7
Record 7, Main entry term, French
- bleu de soufre leuco 11 (C.I.)
1, record 7, French, bleu%20de%20soufre%20leuco%2011%20%28C%2EI%2E%29
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2003-10-29
Record 8, English
Record 8, Subject field(s)
- Chemistry
- Dyes and Pigments (Industries)
Record 8, Main entry term, English
- leuco base
1, record 8, English, leuco%20base
correct, see observation
Record 8, Abbreviations, English
Record 8, Synonyms, English
- leuko base 2, record 8, English, leuko%20base
former designation, avoid
- leukibase 3, record 8, English, leukibase
former designation, avoid
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
A group of colorless derivatives of triphenylmethane produced by the reduction of dyes which, on oxidation, are reconverted into the dye. 4, record 8, English, - leuco%20base
Record number: 8, Textual support number: 1 OBS
leuco bases : Colourless compounds formed by reduction of triphenylmethane dyes. Generally, they are amino or hydroxy derivatives of triphenylmethane. Use of this class name, which is more or less parochial to the technology of dyes, is not endorsed. E. g.(p-Me2NC6H4) 2CHPh, the leuco base of Malachite Green. [The prefix "p-"in the chemical formula must be italicized. ] 5, record 8, English, - leuco%20base
Record 8, French
Record 8, Domaine(s)
- Chimie
- Teintures et pigments (Industries)
Record 8, Main entry term, French
- leucobase
1, record 8, French, leucobase
correct, see observation, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Composé incolore résultant de la réduction d'un colorant dérivé du groupe du triphénylméthane. 2, record 8, French, - leucobase
Record number: 8, Textual support number: 1 OBS
Généralement, ce sont des dérivés hydroxylés ou aminés du triphénylméthane. L'emploi de ce nom de classe, qui est plus ou moins particulier à la technologie des colorants, n'est pas recommandé. Par exemple : (p-Me2NC6H4)2CHPh, leucobase du vert Malachite. [Le préfixe «p-» dans la formule chimique s'écrit en italique.] 2, record 8, French, - leucobase
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1998-12-24
Record 9, English
Record 9, Subject field(s)
- Dyes and Pigments (Industries)
Record 9, Main entry term, English
- fluorane-leuco dye 1, record 9, English, fluorane%2Dleuco%20dye
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Key term(s)
- fluorane leuco dye
Record 9, French
Record 9, Domaine(s)
- Teintures et pigments (Industries)
Record 9, Main entry term, French
- colorant leucofluorannique
1, record 9, French, colorant%20leucofluorannique
masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1989-10-04
Record 10, English
Record 10, Subject field(s)
- Dyes and Pigments (Industries)
- Textiles: Preparation and Processing
Record 10, Main entry term, English
- vat dye
1, record 10, English, vat%20dye
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
- vat dyestuff 2, record 10, English, vat%20dyestuff
correct
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
A class of dyes that can be easily reduced, i. e., vatted, to a soluble and usually colorless leuco form in which they can readily impregnate fibers. Subsequent oxidation then produces the insoluble colored dyestuff in a form that is remarkably fast to washing, light and chemicals. 3, record 10, English, - vat%20dye
Record 10, French
Record 10, Domaine(s)
- Teintures et pigments (Industries)
- Apprêt et traitements divers (Textiles)
Record 10, Main entry term, French
- colorant de cuve
1, record 10, French, colorant%20de%20cuve
correct, masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
Colorant de cuve. Ces colorants se présentent sous la forme de pigments insolubles dans l'eau, et il est nécessaire de les transformer, au moyen d'un agent réducteur en milieu alcalin, en leurs leucodérivés sodiques ou potassiques solubles et doués d'affinité pour les fibres cellulosiques. 2, record 10, French, - colorant%20de%20cuve
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1986-12-23
Record 11, English
Record 11, Subject field(s)
- Dyes and Pigments (Industries)
- Textiles: Preparation and Processing
Record 11, Main entry term, English
- solubilized vat dye
1, record 11, English, solubilized%20vat%20dye
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 CONT
Solubilized vat dyes are the sodium salts of the sulfuric mono-esters of the leuco compounds of vat dyes, are more expensive than ordinary vat dyes, and hence are used mainly for dyeing pastels on cotton, rayon, and linen.... 1, record 11, English, - solubilized%20vat%20dye
Record 11, French
Record 11, Domaine(s)
- Teintures et pigments (Industries)
- Apprêt et traitements divers (Textiles)
Record 11, Main entry term, French
- colorant de cuve solubilisé
1, record 11, French, colorant%20de%20cuve%20solubilis%C3%A9
correct, masculine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
Colorants de cuve solubilisés. Ces colorants résultent d'une transformation chimique des colorants de cuve en composés directement solubles dans l'eau. Les teintures obtenues possèdent les excellentes solidités des colorants de cuve dont ils dérivent, mais le prix élevé de ces colorants limite leur emploi à la réalisation de nuances claires. 1, record 11, French, - colorant%20de%20cuve%20solubilis%C3%A9
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1975-03-11
Record 12, English
Record 12, Subject field(s)
- Dyes and Pigments (Industries)
- Textiles: Preparation and Processing
Record 12, Main entry term, English
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 OBS
--the colorless or nearly colorless soluble compound obtained by the reduction of a dye. An example would be the compound formed by reducing a vat dye. 1, record 12, English, - leuco
Record 12, French
Record 12, Domaine(s)
- Teintures et pigments (Industries)
- Apprêt et traitements divers (Textiles)
Record 12, Main entry term, French
- leucodérivé 1, record 12, French, leucod%C3%A9riv%C3%A9
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 OBS
--nom générique de substances incolores constituant des produits de réduction de certains colorants. 1, record 12, French, - leucod%C3%A9riv%C3%A9
Record 12, Spanish
Record 12, Textual support, Spanish
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