Standard Lemma guide

olein

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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any naturally-occurring greasy or oily substance related to fat.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • Holonym: oleo oil

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any glyceride of oleic acid

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a naturally occurring glyceride of oleic acid that is found in fats and oils

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: triolein

Antonyms: none provided

Broader terms: glyceryl ester

History

Etymology

From oleo- + -in.