micromètre
\mi.kʁɔ.mɛtʁ\
The verdict
“micromètre” is uncommon French (frequency #90,938 among 202,672 “M” headwords), classed as a noun. The kind of spelling people second-guess.
- #90,938
- frequency rank, French
- 202,672
- “M” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Unité de mesure de longueur du Système international (SI), valant 10⁻⁶ mètre, et dont le symbole est μm.
Corpus desk
Index FR-micrometre · micromètre · French
micromètre · rank #90,938 · 0 variants · 0 confusables
- FREQ-RARE #90,938
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 202,672
- PHOTO-FINISH microbiens
Nearest frequency peer: microbiens (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbourhood for “micromètre”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Mexican
Mexican
9,066 corpus weight
- mice
mice
9,065 corpus weight
- microbiens
microbiens
9,064 corpus weight
- micromètre
micromètre
9,063 corpus weight
- Mikami
Mikami
9,062 corpus weight
- mirandole
mirandole
9,060 corpus weight
What this shows Bars show where “micromètre” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | micromètre |
| Language | French |
| Part of speech | Noun |
| IPA | \mi.kʁɔ.mɛtʁ\ |
| Letters | 10 |
| Frequency rank | #90,938 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “micromètre” sits in French frequency
Rare enough to double-check
micromètre is uncommon French at frequency #90,938 among 202,672 “M” headwords, classed as anoun, transcribed \mi.kʁɔ.mɛtʁ\. Rarity is why readers land here mid-draft. 2 senses are on record.
micromètre doesn't appear in our generated misspelling index, a sign its spelling follows regular French conventions. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is micromètre, spelled M-I-C-R-O-M-È-T-R-E.
Definition
- 1Unité de mesure de longueur du Système international (SI), valant 10⁻⁶ mètre, et dont le symbole est μm.
- 2Appareil qui sert à mesurer avec une très grande précision de petites distances et de petites grandeurs.
Recorded use
Wiktionary examplesThese source excerpts show how micromètre appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Il y a un million de micromètres dans un mètre.
Le diamètre a été mesuré à l’aide d’un microscope muni d’un micromètre oculaire qui avait été comparé préalablement à un micromètre étalon placé dans l’objectif.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar French words by spelling shape
Same letter count and similar misspelling depth for "micromètre", not the corpus desk frequency band.
Same letter count
Frequency-ranked French headwords with 10 letters (nearest by frequency rank).
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.