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.
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noun
Any of three isomeric aliphatic alkenes containing four carbon atoms and one double bond; their polymers are used as synthetic rubber.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: butene
Antonyms: none provided
Broader terms: gas
Narrower terms: isobutylene, polybutylene, polybutene
History
Etymology tree Proto-Indo-European *gwṓws Proto-Hellenic *gwous Ancient Greek βοῦς (boûs) Proto-Indo-European *tewh2- Proto-Indo-European *-rós Proto-Indo-European *tuh2rós Proto-Hellenic *tūrós Ancient Greek τῡρός (tūrós) Ancient Greek βούτῡρος (boútūros)der. English but- English -ylene English butylene From but- + -ylene.
Across languages
4 source translations are retained for this English entry.
