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
The bicyclic heterocycle benzofuran.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: benzofuran, cumarone
Antonyms: none provided
Broader terms: compound, chemical compound
History
Etymology tree Old Tupi kumarubor. French coumarou Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnus French -in Proto-Indo-European *-h2 Proto-Indo-European *-eh2 Proto-Italic *-ā Latin -am Old French -e French -e French -ine French coumarinebor. German Ketonbor. English ketone English -one English coumarone From French coumarine + English -one.
