Standard Lemma guide

isoflurane

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.

  • General-American: /ˌaɪ.səˈflʊɹˌeɪn/

1

noun

Meaning 1

A halogenated ether, 2-chloro-2-(difluoromethoxy)-1,1,1-trifluoroethane, that is used as an inhalation anesthetic.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a widely used inhalation anesthetic

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: inhalation anesthetic, inhalation anaesthetic, inhalation general anesthetic, inhalation general anaesthetic

History

Etymology

Etymology tree Ancient Greek ῐ̓́σος (ĭ́sos)lbor. English iso- English enflurane English isoflurane From iso- + enflurane.