Phrase guide

oleic acid

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

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1

noun

Meaning 1

An unsaturated fatty acid, having 18 carbon atoms and one double bond, found in olive oil and very many other vegetable and animal oils and fats; it is used for making soap, cosmetics etc.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a colorless oily liquid occurring as a glyceride; it is the major fatty acid in olive oil and canola oil; used in making soap and cosmetics and ointments and lubricating oils

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: monounsaturated fatty acid

History

Etymology

No etymology was provided for this word.

Across languages

Translations

26 source translations are retained for this English entry.

  • Bulgarian: олеинова киселина (oleinova kiselina) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Catalan: àcid oleic — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Chinese Cantonese: 油酸 (jau4 syun1) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Chinese Mandarin: 油酸 (yóusuān) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Czech: kyselina olejová — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Estonian: oleiinhape — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • French: acide oléique — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • German: Ölsäure — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Greek: ελαϊκό οξύ (elaïkó oxý) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Hindi: म्रक्षिकाम्ल (mrakṣikāmla) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Hungarian: olajsav — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Icelandic: olíusýra — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Irish: aigéad óileach — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Italian: acido oleico — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Japanese: オレイン酸 (orein-san) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Japanese: 油酸 (yusan) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Persian: اولئیک اسید (ole'ik asid) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Polish: kwas oleinowy — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Portuguese: ácido oleico — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Romanian: acid oleic — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Russian: олеиновая кислота́ (oleinovaja kislotá) — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Serbo-Croatian: олеинска киселина — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Serbo-Croatian: oleinska kiselina — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Spanish: ácido oleico — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Swedish: oljesyra — fatty acid with 18 carbon atoms and one double bond, found in olive oil
  • Welsh: asid olëig — fatty acid with 18 carbon atoms and one double bond, found in olive oil