Standard Lemma guide

cyclopropane

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

The simplest alicyclic hydrocarbon, C3H6, an inflammable gas, sometimes used as an anaesthetic.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a colorless flammable gas sometimes used as an 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 Proto-Indo-European *kwel- Proto-Indo-European *kwékwlos Ancient Greek κῠ́κλος (kŭ́klos)der. Late Latin cyclusbor. Middle English cicle English cycle ▲ Ancient Greek κύκλος (kúklos) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek κυκλῐκός (kuklĭkós)bor. Classical Latin cyclicuslbor. Middle French cyclique French cycliquebor. ▲ Classical Latin cyclicusbor. English cyclic English cyclo- English propane English cyclopropane From cyclo- + propane.

Across languages

Translations

8 source translations are retained for this English entry.

  • Dutch: cyclopropaan — the simplest alicyclic hydrocarbon, C3H6
  • Finnish: syklopropaani — the simplest alicyclic hydrocarbon, C3H6
  • French: cyclopropane — the simplest alicyclic hydrocarbon, C3H6
  • German: Cyclopropan — the simplest alicyclic hydrocarbon, C3H6
  • Greek: κυκλοπροπάνιο (kyklopropánio) — the simplest alicyclic hydrocarbon, C3H6
  • Hungarian: ciklopropán — the simplest alicyclic hydrocarbon, C3H6
  • Italian: ciclopropano — the simplest alicyclic hydrocarbon, C3H6
  • Swedish: cyklopropan — the simplest alicyclic hydrocarbon, C3H6