Standard Lemma guide

approximant

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.

  • US: /əˈpɹɑksəmənt/
  • UK: /əˈpɹɒksɪmənt/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A consonant sound made by slightly narrowing the vocal tract, while still allowing a smooth flow of air. Liquids and glides are approximants.

Definition source: English Wiktionary via Wiktextract

Topics: human-sciences, linguistics, phonetics, phonology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: sonorant, resonant

2

noun

Meaning 2

An approximation to the solution of a function, series, etc.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin approximāns. In the phonetics sense first used by Peter Ladefoged, the mathematical concept is attributed to Paul Halmos.

Across languages

Translations

18 source translations are retained for this English entry.

  • Armenian: ձայնորդ (jaynord) — consonant made by slightly narrowing the vocal tract
  • Chinese Mandarin: 近音 (jìnyīn) — consonant made by slightly narrowing the vocal tract
  • Finnish: approksimantti — consonant made by slightly narrowing the vocal tract
  • French: spirante — consonant made by slightly narrowing the vocal tract
  • French: approximante — consonant made by slightly narrowing the vocal tract
  • German: Approximant — consonant made by slightly narrowing the vocal tract
  • German: Näherungslaut — consonant made by slightly narrowing the vocal tract
  • Hungarian: approximáns — consonant made by slightly narrowing the vocal tract
  • Hungarian: közelítőhang — consonant made by slightly narrowing the vocal tract
  • Icelandic: nálgunarhljóð — consonant made by slightly narrowing the vocal tract
  • Icelandic: nándarhljóð — consonant made by slightly narrowing the vocal tract
  • Japanese: 接近音 (sekkinon) — consonant made by slightly narrowing the vocal tract
  • Persian: ناسوده (nâsude) — consonant made by slightly narrowing the vocal tract
  • Polish: aproksymant — consonant made by slightly narrowing the vocal tract
  • Portuguese: aproximante — consonant made by slightly narrowing the vocal tract
  • Swedish: approximant — consonant made by slightly narrowing the vocal tract
  • Tagalog: malapatinig — consonant made by slightly narrowing the vocal tract
  • Welsh: dynesolyn — consonant made by slightly narrowing the vocal tract
Real reading context

approximant in complete knowledge articles