micrometer

/maɪˈkɹɒmɪtə/

//maɪˈkɹɒmɪtə// noun

"micrometer" is a 10-letter English headword indexed on PlainSpell.

The verdict

“micrometer” is uncommon English (frequency #65,306 among 4,057 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#65,306
frequency rank, English
4,057
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.

Corpus desk

Index EN-micrometer · micrometer · English

micrometer · rank #65,306 · 0 variants · 0 confusables

  • FREQ-RARE #65,306
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,057
  • PHOTO-FINISH microorganism

Nearest frequency peer: microorganism (+1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Long-tail ranks near “micrometer”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “micrometer” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for micrometer
PropertyValue
Headwordmicrometer
LanguageEnglish
Part of speechNoun
IPA/maɪˈkɹɒmɪtə/
Letters10
Frequency rank#65,306
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “micrometer” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).micrometerfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “microorganism” (#65,307), “microtubule” (#65,309), “megalomaniac” (#65,302). Among 4,057 “M” headwords, “micrometer” is #65,306. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

micrometer is uncommon English at frequency #65,306 among 4,057 “M” headwords, classed as anoun, transcribed /maɪˈkɹɒmɪtə/. Rarity is why readers land here mid-draft. Gloss: "A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.".

micrometer doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From French micromètre. The correct English form is micrometer, spelled M-I-C-R-O-M-E-T-E-R.

Definition

  1. 1
    A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.

Etymology

From French micromètre.

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 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "micrometer"?
"micrometer" is spelled M-I-C-R-O-M-E-T-E-R. The IPA pronunciation is /maɪˈkɹɒmɪtə/.
What does "micrometer" mean?
As a noun, "micrometer" means: A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.
How do you pronounce "micrometer"?
The IPA (International Phonetic Alphabet) transcription for "micrometer" is /maɪˈkɹɒmɪtə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "micrometer"?
From French micromètre. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "micrometer", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list