Standard Lemma guide

diastema

noun · 5 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.

  • /daɪəˈstiːmə/
  • rhymes with -iːmə

1

noun

Meaning 1

A gap or space between two adjacent teeth, especially the upper front incisors (in humans).

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A gap between teeth of different types, e.g. incisors and molars, which is a feature of some rodents and ungulates.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, biology, medicine, natural-sciences, sciences, zoology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Any abnormal space, fissure, or cleft in an organ or other part of the body.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The modified protoplasm at the equator of a cell, existing before mitotic division.

Definition source: English Wiktionary via Wiktextract

Topics: biology, cytology, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

a gap or vacant space between two teeth

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: opening, gap

History

Etymology

From Late Latin, from Ancient Greek διάστημα (diástēma, “interval, space between”). Compare diastasis.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: diasteema — gap or space between two adjacent teeth
  • Finnish: hammasrako — gap or space between two adjacent teeth
  • French: dents du bonheur — gap or space between two adjacent teeth
  • Yoruba: èjí — gap or space between two adjacent teeth
  • Finnish: hammasloma — gap between teeth of different types