Standard Lemma guide

leukotriene

noun · 1 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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  • US: /ˌlu.koʊˈtɹaɪ.in/

1

noun

Meaning 1

Any of several physiologically active lipids, related to the prostaglandins, that participate in allergic responses.

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

History

Etymology

From leuko- + triene, coined by Swedish biochemist Bengt I. Samuelsson.

Across languages

Translations

5 source translations are retained for this English entry.

  • Chinese Mandarin: 白三烯 (báisānxī) — any of several physiologically active lipids
  • Czech: leukotrien — any of several physiologically active lipids
  • Finnish: leukotrieeni — any of several physiologically active lipids
  • German: Leukotrien — any of several physiologically active lipids
  • Spanish: leucotrieno — any of several physiologically active lipids