Phrase 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
A heterocyclic compound derived from pyrimidine that is the basis of all barbiturate drugs.
Definition source: English Wiktionary via Wiktextract
Usage: 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 white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: malonylurea
Antonyms: none provided
Broader terms: acid
History
Mid 19th century from French barbiturique, from German Barbitursäure, from Barbara + Säure (“acid”), related to Latin urea.
Across languages
8 source translations are retained for this English entry.
