Standard Lemma guide

ester

name · 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: /ˈɛstɚ/
  • Received-Pronunciation: /ˈɛstə/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛstə(ɹ)
  • homophone: Esther
  • homophone: str
  • CMU ARPABET: EH1 S T ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A female given name from Hebrew, alternative form of Esther.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond (i.e., carbonyl) joined via carbon to another oxygen atom.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

formed by reaction between an acid and an alcohol with elimination of water

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: organic compound

Narrower terms: citrate, lactate, banana oil, cellulose ester, cyclohexanol phthalate, ethyl acetate, glyceryl ester, maleate, nucleotide, base, polyester, urethane

History

Etymology

From German Ester, perhaps a contraction or abstraction of Essigäther (“ethyl acetate”), from Essig (“vinegar”) (from Latin acetum) and Äther (“ether”). See ether for more.

Across languages

Translations

35 source translations are retained for this English entry.

  • Bulgarian: естер (ester) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Catalan: èster — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Chinese Cantonese: 酯 (zi2) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Chinese: 酯 (chí) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Chinese Mandarin: 酯 (zhǐ) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Chinese Mandarin: 酯類 /酯类 (zhǐlèi) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Chinese Mandarin: 𨤎 (yán) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Czech: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Dutch: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Esperanto: estero — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Estonian: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Finnish: esteri — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • French: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • German: Ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Greek: εστέρας (estéras) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Hebrew: אֶסְטֶר (ester) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Hungarian: észter — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Indonesian: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Italian: estere — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Japanese: エステル (esuteru) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Khmer: អេស្ទែ (ʼeestɛɛ) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Korean: 에스터 (eseuteo) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Korean: 에스테르 (eseutereu) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Malay: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Māori: hākawa — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Māori: pāhare — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Polish: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Portuguese: éster — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Romanian: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Russian: сло́жный эфи́р (slóžnyj efír) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Spanish: éster — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Swedish: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Turkish: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Ukrainian: есте́р (estér) — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
  • Welsh: ester — compound with carbon-oxygen double bond joined via carbon to another oxygen atom
Real reading context

ester in complete knowledge articles