TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
MICROMETRO [5 records]
Record 1 - internal organization data 2022-11-30
Record 1, English
Record 1, Subject field(s)
- Metrology and Units of Measure
Universal entry(ies) Record 1
Record 1, Main entry term, English
- micrometre
1, record 1, English, micrometre
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- micrometer 2, record 1, English, micrometer
correct, United States
- micron 1, record 1, English, micron
former designation, correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The metric unit of measure for length equal to 0.001 [millimetres, or one millionth of a metre]. 3, record 1, English, - micrometre
Record number: 1, Textual support number: 1 CONT
The micrometre is commonly employed to measure the thickness or diameter of microscopic objects, such as microorganisms and colloidal particles. Minute distances—for example, the wavelengths of infrared radiation—are also given in micrometres. 3, record 1, English, - micrometre
Record number: 1, Textual support number: 1 OBS
In 1967 the International System of Units (SI) officially revoked the term "micron" and the symbol "μ." At that time, the systematic name "micrometre" became the official name of the unit, and "μm" became the official unit symbol. 4, record 1, English, - micrometre
Record 1, Key term(s)
- um
Record 1, French
Record 1, Domaine(s)
- Unités de mesure et métrologie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- micromètre
1, record 1, French, microm%C3%A8tre
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- micron 1, record 1, French, micron
former designation, correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Unité de mesure de longueur valant un millionième de mètre. 2, record 1, French, - microm%C3%A8tre
Record number: 1, Textual support number: 1 OBS
Dans le Système international d'unités (SI), le nom systématique «micromètre» est devenu le nom officiel de l'unité en 1967, et «μm» est devenu le symbole officiel de l'unité. À ce moment, le terme «micron» et le symbole «μ» ont été retirés. 3, record 1, French, - microm%C3%A8tre
Record 1, Key term(s)
- um
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Metrología y unidades de medida
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- micrómetro
1, record 1, Spanish, micr%C3%B3metro
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- micra 1, record 1, Spanish, micra
former designation, feminine noun
- micrón 1, record 1, Spanish, micr%C3%B3n
former designation, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Unidad de longitud igual a una milésima de milímetro o millonésima de metro [en el sistema internacional de unidades]. 2, record 1, Spanish, - micr%C3%B3metro
Record number: 1, Textual support number: 1 OBS
En el sistema internacional de unidades, ya no se usan las voces micra y micrón, ahora reemplazadas por la de micrómetro. 2, record 1, Spanish, - micr%C3%B3metro
Record number: 1, Textual support number: 2 OBS
micrón: Símbolo: µ (obsoleto). 3, record 1, Spanish, - micr%C3%B3metro
Record 1, Key term(s)
- um
- mu
Record 2 - internal organization data 2006-03-10
Record 2, English
Record 2, Subject field(s)
- Measuring Instruments
- Optical Instruments
- Medical and Surgical Equipment
Record 2, Main entry term, English
- stage micrometer 1, record 2, English, stage%20micrometer
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A micrometer fastened to the stage of a microscope. 2, record 2, English, - stage%20micrometer
Record 2, French
Record 2, Domaine(s)
- Appareils de mesure
- Instruments d'optique
- Équipement médico-chirurgical
Record 2, Main entry term, French
- micromètre de microscope
1, record 2, French, microm%C3%A8tre%20de%20microscope
masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- micromètre porte-objets 2, record 2, French, microm%C3%A8tre%20porte%2Dobjets
masculine noun
Record 2, Textual support, French
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Instrumentos de medida
- Instrumentos ópticos
- Equipo médico y quirúrgico
Record 2, Main entry term, Spanish
- micrómetro portaobjetos
1, record 2, Spanish, micr%C3%B3metro%20portaobjetos
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-05-29
Record 3, English
Record 3, Subject field(s)
- Scientific Instruments
- Facilities and Instruments (Astronomy)
- Biotechnology
Record 3, Main entry term, English
- micrometer
1, record 3, English, micrometer
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
An instrument attached to a telescope or microscope for measuring small distances or angles. 2, record 3, English, - micrometer
Record 3, French
Record 3, Domaine(s)
- Instruments scientifiques
- Installations et instruments (Astronomie)
- Biotechnologie
Record 3, Main entry term, French
- micromètre
1, record 3, French, microm%C3%A8tre
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Instrument destiné à la mesure de petits objets ou de petites images. 2, record 3, French, - microm%C3%A8tre
Record number: 3, Textual support number: 1 CONT
On utilise dans les instruments astronomiques soit des micromètres à fils fixes, soit des micromètres à fil mobile. 2, record 3, French, - microm%C3%A8tre
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Instrumentos científicos
- Instalaciones e instrumentos (Astronomía)
- Biotecnología
Record 3, Main entry term, Spanish
- micrómetro
1, record 3, Spanish, micr%C3%B3metro
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2003-03-13
Record 4, English
Record 4, Subject field(s)
- Optical Instruments
- Scientific Research Equipment
- Bioengineering
Record 4, Main entry term, English
- filar micrometer eyepiece
1, record 4, English, filar%20micrometer%20eyepiece
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, French
Record 4, Domaine(s)
- Instruments d'optique
- Matériel et équipement (Recherche scientifique)
- Technique biologique
Record 4, Main entry term, French
- oculaire micrométrique à réticule
1, record 4, French, oculaire%20microm%C3%A9trique%20%C3%A0%20r%C3%A9ticule
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Instrumentos ópticos
- Material y equipo (Investigación científica)
- Bioingeniería
Record 4, Main entry term, Spanish
- ocular filar micrómetro
1, record 4, Spanish, ocular%20filar%20micr%C3%B3metro
masculine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2003-02-19
Record 5, English
Record 5, Subject field(s)
- Measuring Instruments (Engineering)
- Optical Instruments
Record 5, Main entry term, English
- eyepiece micrometer
1, record 5, English, eyepiece%20micrometer
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- ocular micrometer 2, record 5, English, ocular%20micrometer
correct
- eye piece micrometer 3, record 5, English, eye%20piece%20micrometer
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A micrometer that is used in connection with the eyepiece of a microscope. 1, record 5, English, - eyepiece%20micrometer
Record 5, French
Record 5, Domaine(s)
- Instruments de mesure (Ingénierie)
- Instruments d'optique
Record 5, Main entry term, French
- micromètre oculaire
1, record 5, French, microm%C3%A8tre%20oculaire
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Micromètre oculaire. Fixé dans l'oculaire d'un microscope, il permet de mesurer les dimensions de l'objet observé. 2, record 5, French, - microm%C3%A8tre%20oculaire
Record number: 5, Textual support number: 1 OBS
Voir aussi : "microscope micrométrique". 3, record 5, French, - microm%C3%A8tre%20oculaire
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Instrumentos de medida (Ingeniería)
- Instrumentos ópticos
Record 5, Main entry term, Spanish
- micrómetro ocular
1, record 5, Spanish, micr%C3%B3metro%20ocular
masculine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
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: