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cyclopropane

noun

cyclopropane is a noun meaning “The simplest alicyclic hydrocarbon, C₃H₆, an inflammable gas, sometimes used as an anaesthetic” (English Wiktionary, September 2026). It is spelled C-Y-C-L-O-P-R-O-P-A-N-E, and it appears about once in every 35 million words in written English (wordfreq, 2021 data). The plural of cyclopropane is cyclopropanes.

What does cyclopropane mean?

noun

  1. 1

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

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce cyclopropane?

  • General-American

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-cyclopropane.wav, Wikimedia Commons (author and licence on each file's page).

Forms of cyclopropane

  • cyclopropanes plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is cyclopropane?

Cyclopropane appears about once in every 35 million words in written English, the 180,281st most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Cyclopropane in Spanish, French, German and Portuguese

In the sense the simplest alicyclic hydrocarbon, C3H6:

LanguageWords
Frenchcyclopropane
GermanCyclopropan

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.