nanometre

/ˈnænə(ʊ)ˌmiːtə(ɹ)/

//ˈnænə(ʊ)ˌmiːtə(ɹ)// noun

"nanometre" is a 9-letter English headword indexed on PlainSpell.

The verdict

“nanometre” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An SI subunit of length equal to 10⁻⁹ metres.

Key facts for nanometre
PropertyValue
Headwordnanometre
LanguageEnglish
Part of speechNoun
IPA/ˈnænə(ʊ)ˌmiːtə(ɹ)/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “nanometre” sits in English frequency

nanometre falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

nanometre is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈnænə(ʊ)ˌmiːtə(ɹ)/. Rarity is why readers land here mid-draft. Gloss: "An SI subunit of length equal to 10⁻⁹ metres.".

No generated misspelling entries exist for nanometre in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From nano- + metre. The correct English form is nanometre, spelled N-A-N-O-M-E-T-R-E.

Definition

  1. 1
    An SI subunit of length equal to 10⁻⁹ metres.

Etymology

From nano- + metre.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "nanometre"?
"nanometre" is spelled N-A-N-O-M-E-T-R-E. The IPA pronunciation is /ˈnænə(ʊ)ˌmiːtə(ɹ)/.
What does "nanometre" mean?
As a noun, "nanometre" means: An SI subunit of length equal to 10⁻⁹ metres.
How do you pronounce "nanometre"?
The IPA (International Phonetic Alphabet) transcription for "nanometre" is /ˈnænə(ʊ)ˌmiːtə(ɹ)/. 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 "nanometre"?
From nano- + metre. 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.

Using “nanometre”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is N-A-N-O-M-E-T-R-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈnænə(ʊ)ˌmiːtə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
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.

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

Source: FrequencyWords open word-frequency list