TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
TETRAMETHYL [5 records]
Record 1 - internal organization data 2013-08-30
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Dyes and Pigments (Industries)
Universal entry(ies) Record 1
Record 1, Main entry term, English
- malachite green
1, record 1, English, malachite%20green
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- aniline green 2, record 1, English, aniline%20green
correct
- benzaldehyde green 2, record 1, English, benzaldehyde%20green
correct
- benzal green 2, record 1, English, benzal%20green
correct
- China green 2, record 1, English, China%20green
correct
- C.I. basic Green 4 3, record 1, English, C%2EI%2E%20basic%20Green%204
correct
- diamond green B 4, record 1, English, diamond%20green%20B
correct
- N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium chloride 5, record 1, English, N%2D%5B4%2D%5B%5B4%2D%28dimethylamino%29phenyl%5Dphenylmethylene%5D%2D2%2C5%2Dcyclohexadien%2D1%2Dylidene%5D%2DN%2Dmethylmethanaminium%20chloride
correct, see observation
- dimethyl(4-(p-(dimethylamino)-alpha-phenylbenzylidene)-2,5-cyclohexadien-1-ylidene)ammonium chloride 6, record 1, English, dimethyl%284%2D%28p%2D%28dimethylamino%29%2Dalpha%2Dphenylbenzylidene%29%2D2%2C5%2Dcyclohexadien%2D1%2Dylidene%29ammonium%20chloride
correct, see observation
- fast green 3, record 1, English, fast%20green
correct
- light green N 2, record 1, English, light%20green%20N
correct
- malachite green chloride 7, record 1, English, malachite%20green%20chloride
correct
- solid green 0 2, record 1, English, solid%20green%200
correct
- tetramethyl diapara-amido-triphenyl carbinol 6, record 1, English, tetramethyl%20diapara%2Damido%2Dtriphenyl%20carbinol
correct
- Victoria Green 8, record 1, English, Victoria%20Green
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A chemical compound derived from the condensation of benzaldehyde with N,N-dimethylaniline and from the oxidation of the phenylmethane product and its reaction with HCl which appears under the form of water-soluble green crystals, is soluble in amyl, ethyl and methyl alcohol, is used in dyeing textiles (either directly or with mordant), as a staining bacterial, an antiseptic and a plant fungicide. 9, record 1, English, - malachite%20green
Record number: 1, Textual support number: 1 OBS
alpha: This word must be replaced by the corresponding Greek letter or italicized. 9, record 1, English, - malachite%20green
Record number: 1, Textual support number: 2 OBS
N-: This prefix must be italicized. 9, record 1, English, - malachite%20green
Record number: 1, Textual support number: 3 OBS
Chemical formulas: C23H25ClN2 or C23H25N2·Cl 9, record 1, English, - malachite%20green
Record 1, Key term(s)
- dimethyl(4-(p-(dimethylamino)-a-phenylbenzylidene)-2,5-cyclohexadien-1-ylidene)ammonium chloride
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Teintures et pigments (Industries)
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- vert malachite
1, record 1, French, vert%20malachite
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- vert aniline 2, record 1, French, vert%20aniline
correct, masculine noun
- vert benzaldéhyde 2, record 1, French, vert%20benzald%C3%A9hyde
correct, masculine noun
- vert de benzal 2, record 1, French, vert%20de%20benzal
correct, masculine noun
- vert de Chine 2, record 1, French, vert%20de%20Chine
correct, masculine noun
- vert basique C.I. 4 2, record 1, French, vert%20basique%20C%2EI%2E%204
correct, masculine noun
- vert de diamant B 2, record 1, French, vert%20de%20diamant%20B
correct, masculine noun
- chlorure de N-(4-{[4-(diméthylamino)phényl]phénylméthylène]-2,5-cyclohexadièn-1-ylidène)-N-méthylméthanaminium 2, record 1, French, chlorure%20de%20N%2D%284%2D%7B%5B4%2D%28dim%C3%A9thylamino%29ph%C3%A9nyl%5Dph%C3%A9nylm%C3%A9thyl%C3%A8ne%5D%2D2%2C5%2Dcyclohexadi%C3%A8n%2D1%2Dylid%C3%A8ne%29%2DN%2Dm%C3%A9thylm%C3%A9thanaminium
correct, see observation, masculine noun
- chlorure de diméthyl(4-[p-(diméthylamino)-alpha-phénylbenzylidène]-2,5-cyclohexadién-1-ylidène}ammonium 2, record 1, French, chlorure%20de%20dim%C3%A9thyl%284%2D%5Bp%2D%28dim%C3%A9thylamino%29%2Dalpha%2Dph%C3%A9nylbenzylid%C3%A8ne%5D%2D2%2C5%2Dcyclohexadi%C3%A9n%2D1%2Dylid%C3%A8ne%7Dammonium
correct, see observation, masculine noun
- vert rapide 2, record 1, French, vert%20rapide
correct, masculine noun
- vert léger N 2, record 1, French, vert%20l%C3%A9ger%20N
correct, masculine noun
- chlorure de vert malachite 2, record 1, French, chlorure%20de%20vert%20malachite
correct, masculine noun
- vert solide 0 2, record 1, French, vert%20solide%200
correct, masculine noun
- tétraméthyl diapara-amido-triphényl carbinol 2, record 1, French, t%C3%A9tram%C3%A9thyl%20diapara%2Damido%2Dtriph%C3%A9nyl%20carbinol
correct, masculine noun
- vert Victoria 2, record 1, French, vert%20Victoria
correct, masculine noun
- vert de malachite 3, record 1, French, vert%20de%20malachite
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Colorant formé à partir du benzaldéhyde et de la diméthylaniline, se présentant sous la forme de lamelles vert sombre, à éclat métallique, soluble dans l'eau (en vert), utilisé comme colorant pour les matières alimentaires, textiles comme colorant histologique. 4, record 1, French, - vert%20malachite
Record number: 1, Textual support number: 1 OBS
alpha : Ce mot doit être remplacé par la lettre grecque correspondante ou s'écrire en italique. 4, record 1, French, - vert%20malachite
Record number: 1, Textual support number: 2 OBS
N- : Ce préfixe doit s'écrire en italique. 4, record 1, French, - vert%20malachite
Record number: 1, Textual support number: 3 OBS
Formules chimiques : C23H25ClN2 ou C23H25N2·Cl 4, record 1, French, - vert%20malachite
Record 1, Key term(s)
- chlorure de diméthyl(4-(p-(diméthylamino)-a-phénylbenzylidène)-2,5-cyclohexadién-1-ylidène)ammonium
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Elementos y compuestos químicos
- Tinturas y pigmentos (Industrias)
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- verde malaquita
1, record 1, Spanish, verde%20malaquita
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Fórmula química: C23H25ClN2 o C23H25N2·Cl 2, record 1, Spanish, - verde%20malaquita
Record 2 - internal organization data 2011-03-11
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 2
Record 2, Main entry term, English
- tetramethyl orthosilicate
1, record 2, English, tetramethyl%20orthosilicate
correct, see observation
Record 2, Abbreviations, English
Record 2, Synonyms, English
- Dynasil M 1, record 2, English, Dynasil%20M
trademark
- methyl orthosilicate 2, record 2, English, methyl%20orthosilicate
correct
- methyl silicate 3, record 2, English, methyl%20silicate
see observation
- orthosilicic acid methyl ester 4, record 2, English, orthosilicic%20acid%20methyl%20ester
correct
- silicic acid tetramethyl ester 4, record 2, English, silicic%20acid%20tetramethyl%20ester
correct
- tetramethoxysilane 2, record 2, English, tetramethoxysilane
correct
- TMOS 1, record 2, English, TMOS
correct
- TMOS 1, record 2, English, TMOS
- tetramethyl silicate 2, record 2, English, tetramethyl%20silicate
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
tetramethyl orthosilicate: form recommended by the IUPAC (International Union of Pure and Applied Chemistry) for the systematic name corresponding to the CAS number indicted on the present record. 5, record 2, English, - tetramethyl%20orthosilicate
Record number: 2, Textual support number: 2 OBS
methyl silicate: ambiguous name. 5, record 2, English, - tetramethyl%20orthosilicate
Record number: 2, Textual support number: 3 OBS
Also known under the following commercial designations: TL 190; UN 2606. 6, record 2, English, - tetramethyl%20orthosilicate
Record number: 2, Textual support number: 4 OBS
Chemical formula: C4H12O4Si or Si(OCH3)4 6, record 2, English, - tetramethyl%20orthosilicate
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- orthosilicate de tétraméthyle
1, record 2, French, orthosilicate%20de%20t%C3%A9tram%C3%A9thyle
correct, see observation, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- Dynasil M 2, record 2, French, Dynasil%20M
trademark, masculine noun
- orthosilicate de méthyle 3, record 2, French, orthosilicate%20de%20m%C3%A9thyle
correct, masculine noun
- silicate de méthyle 4, record 2, French, silicate%20de%20m%C3%A9thyle
see observation, masculine noun
- ester méthylique de l'acide orthosilicique 2, record 2, French, ester%20m%C3%A9thylique%20de%20l%27acide%20orthosilicique
correct, masculine noun
- ester tétraméthylique de l'acide silicique 2, record 2, French, ester%20t%C3%A9tram%C3%A9thylique%20de%20l%27acide%20silicique
correct, masculine noun
- tétraméthoxysilane 5, record 2, French, t%C3%A9tram%C3%A9thoxysilane
correct, masculine noun
- TMOS 6, record 2, French, TMOS
correct, masculine noun
- TMOS 6, record 2, French, TMOS
- silicate de tétraméthyle 2, record 2, French, silicate%20de%20t%C3%A9tram%C3%A9thyle
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] le TMOS (tétraméthoxysilane) Si(OCH3)4 s'hydrolyse plus vite que le TEOS (tétraéthoxysilane) Si(OC2H5)4. 7, record 2, French, - orthosilicate%20de%20t%C3%A9tram%C3%A9thyle
Record number: 2, Textual support number: 1 OBS
orthosilicate de tétraméthyle : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée) pour le nom systématique correspondant au numéro CAS indiqué sur la présente fiche. 2, record 2, French, - orthosilicate%20de%20t%C3%A9tram%C3%A9thyle
Record number: 2, Textual support number: 2 OBS
silicate de méthyle : nom ambigu. 2, record 2, French, - orthosilicate%20de%20t%C3%A9tram%C3%A9thyle
Record number: 2, Textual support number: 3 OBS
Formule chimique : C4H12O4Si ou Si(OCH3)4 8, record 2, French, - orthosilicate%20de%20t%C3%A9tram%C3%A9thyle
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2010-06-04
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
- White Products (Petroleum)
- Gasoline Motors
Universal entry(ies) Record 3
Record 3, Main entry term, English
- tetramethyl lead
1, record 3, English, tetramethyl%20lead
correct
Record 3, Abbreviations, English
- TML 2, record 3, English, TML
correct
Record 3, Synonyms, English
- tetramethyllead 3, record 3, English, tetramethyllead
correct
- TML 2, record 3, English, TML
correct
- TML 2, record 3, English, TML
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
An organic compound of lead that, when added in small amounts to motor gasoline, increases the antiknock quality of the fuel; not widely used. 3, record 3, English, - tetramethyl%20lead
Record number: 3, Textual support number: 1 CONT
Electrochemical synthesis of tetramethyllead ... is achieved by employing a Grignard reagent and lead shot. 4, record 3, English, - tetramethyl%20lead
Record number: 3, Textual support number: 1 OBS
Chemical formula: Pb(CH3)4 or (CH3)4Pb 5, record 3, English, - tetramethyl%20lead
Record 3, Key term(s)
- T.M.L.
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
- Produits blancs (Pétrole)
- Moteurs à essence
Entrée(s) universelle(s) Record 3
Record 3, Main entry term, French
- plomb tétraméthyle
1, record 3, French, plomb%20t%C3%A9tram%C3%A9thyle
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- plomb-tétraméthyle 3, record 3, French, plomb%2Dt%C3%A9tram%C3%A9thyle
correct, masculine noun
- tétraméthylplomb 4, record 3, French, t%C3%A9tram%C3%A9thylplomb
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Antidétonant pour essences utilisé en solution dans du dichlorure et du dibromure d'éthyle [...] avec en plus un diluant et un colorant[,] souvent associé au plomb tétraéthyle. 5, record 3, French, - plomb%20t%C3%A9tram%C3%A9thyle
Record number: 3, Textual support number: 1 OBS
Formule chimique : Pb(CH3)4 ou (CH3)4Pb 6, record 3, French, - plomb%20t%C3%A9tram%C3%A9thyle
Record 3, Key term(s)
- P.T.M.
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2004-01-15
Record 4, English
Record 4, Subject field(s)
- Chemical Elements and Compounds
- Medication
Record 4, Main entry term, English
- tetramethyl 1, record 4, English, tetramethyl
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, French
Record 4, Domaine(s)
- Éléments et composés chimiques
- Médicaments
Record 4, Main entry term, French
- tétraméthyle
1, record 4, French, t%C3%A9tram%C3%A9thyle
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Elementos y compuestos químicos
- Medicamentos
Record 4, Main entry term, Spanish
- tetrametilo
1, record 4, Spanish, tetrametilo
masculine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1989-07-31
Record 5, English
Record 5, Subject field(s)
- Chemical Elements and Compounds
Record 5, Main entry term, English
- tetramethyl benzidine
1, record 5, English, tetramethyl%20benzidine
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
[Modelled on:] tetramethyl biarsine. 2, record 5, English, - tetramethyl%20benzidine
Record number: 5, Textual support number: 2 OBS
Equivalent confirmed by a specialized translator in chemistry of the Translation Bureau. 1, record 5, English, - tetramethyl%20benzidine
Record 5, French
Record 5, Domaine(s)
- Éléments et composés chimiques
Record 5, Main entry term, French
- tétraméthylbenzidine
1, record 5, French, t%C3%A9tram%C3%A9thylbenzidine
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
Tétraméthyl-3,3',5,5' benzidine : réactif spécifique et sensible pour déceler le sang. 2, record 5, French, - t%C3%A9tram%C3%A9thylbenzidine
Record number: 5, Textual support number: 2 OBS
Produit utilisé pour la révélation des empreintes digitales latentes. 3, record 5, French, - t%C3%A9tram%C3%A9thylbenzidine
Record 5, Spanish
Record 5, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: