Standard Lemma guide

nanometre

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈnænə(ʊ)ˌmiːtə/
  • UK: Recorded audio is listed in the source snapshot.
  • General-American: /ˈnænoʊˌmitər/
  • rhymes with -iːtə(ɹ)

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Examples

  • Holonyms: micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre
  • Meronym: picometre

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a metric unit of length equal to one billionth of a meter

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nanometer, nm, millimicron, micromillimeter, micromillimetre

Antonyms: none provided

Broader terms: metric linear unit

History

Etymology

Etymology tree Ancient Greek νᾶνος (nânos)bor. Latin nānusbor. English nano- English metre English nanometre From nano- + metre.

Across languages

Translations

34 source translations are retained for this English entry.

  • Catalan: nanòmetre — subunit of length
  • Chinese Cantonese: 納米 /纳米 (naap6 mai5) — subunit of length
  • Hakka Chinese: 奈米 (nái-mì) — subunit of length
  • Chinese Mandarin: 納米 /纳米 (nàmǐ) — subunit of length
  • Chinese Mandarin: 奈米 (nàimǐ) — subunit of length
  • Czech: nanometr — subunit of length
  • Dutch: nanometer — subunit of length
  • Esperanto: nanometro — subunit of length
  • Finnish: nanometri — subunit of length
  • French: nanomètre — subunit of length
  • Georgian: ნანომეტრი (nanomeṭri) — subunit of length
  • German: Nanometer — subunit of length
  • Hungarian: nanométer — subunit of length
  • Icelandic: nanómetri — subunit of length
  • Italian: nanometro — subunit of length
  • Japanese: ナノメートル (nanomētoru) — subunit of length
  • Khmer: រស្សមាត្រ (ras sak mart) — subunit of length
  • Khmer: ណាណូម៉ែត្រ (na no maet) — subunit of length
  • Korean: 나노미터 (nanomiteo) — subunit of length
  • Lao: ນາໂນແມັດ (nā nō mæt) — subunit of length
  • Lao: ນາໂນເມັດ (nā nō met) — subunit of length
  • Latvian: nanometrs — subunit of length
  • Polish: nanometr — subunit of length
  • Portuguese: nanômetro — subunit of length
  • Portuguese: nanómetro — subunit of length
  • Romanian: nanometru — subunit of length
  • Russian: наноме́тр (nanométr) — subunit of length
  • Slovak: nanometer — subunit of length
  • Spanish: nanómetro — subunit of length
  • Swedish: nanometer — subunit of length
  • Tagalog: nanometro — subunit of length
  • Thai: นาโนเมตร — subunit of length
  • Turkish: nanometre — subunit of length
  • Vietnamese: nanômét — subunit of length