Standard Lemma guide
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
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No pronunciation record was provided for this word.
noun
A structure having two rings (either fused, or having a common bridgehead atom)
Definition source: English Wiktionary via Wiktextract
Usage: in-compounds, uncountable
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *dwóh1 Proto-Indo-European *dwi- Proto-Italic *dwi- Latin bi-bor. English bi- 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 bicyclo From bi- + cyclo-.
