Standard Lemma guide

geometer

noun · 3 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.

  • General-American: /d͡ʒiˈɑm.ə.tɚ/
  • Received-Pronunciation: /dʒiːˈɒm.ɪ.tə/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A mathematician who specializes in geometry.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: geometrist

Antonyms: none provided

2

noun

Meaning 2

Any species of geometrid moth (family Geometridae).

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a mathematician specializing in geometry

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: geometrician

Antonyms: none provided

Broader terms: mathematician

Narrower terms: Euclid

History

Etymology

From Middle English gemeter, geometer, ultimately from Late Latin geōmetrēs, from Ancient Greek γεωμέτρης (geōmétrēs), from γῆ (gê, “earth”) + μετρέω (metréō, “to measure”).

Across languages

Translations

16 source translations are retained for this English entry.

  • Arabic: مَسَّاح (massāḥ) — geometry mathematician
  • Catalan: geòmetra — geometry mathematician
  • Chinese Mandarin: 幾何學家 /几何学家 (jīhéxuéjiā) — geometry mathematician
  • Czech: geometr — geometry mathematician
  • Esperanto: geometro — geometry mathematician
  • Galician: xeómetra — geometry mathematician
  • Georgian: გეომეტრი (geomeṭri) — geometry mathematician
  • German: Geometer — geometry mathematician
  • Greek: γεωμέτρης (geométris) — geometry mathematician
  • Ancient Greek: γεωμέτρης (geōmétrēs) — geometry mathematician
  • Italian: geometra — geometry mathematician
  • Khmer: អ្នករេខាគណិត (ʼnɑɑkreikhaaknət) — geometry mathematician
  • Romanian: geometru — geometry mathematician
  • Romanian: geometră — geometry mathematician
  • Russian: геоме́тр (geométr) — geometry mathematician
  • Spanish: geómetra — geometry mathematician