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
urea
Definition source: English Wiktionary via Wiktextract
Usage: especially, in-compounds
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: urea
Antonyms: none provided
Broader terms: organic compound
History
Etymology tree English carb- Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *dheh1-der. Proto-Italic *-iðos Latin -idusder. English -ide English amide English carbamide From carb- + amide.
Across languages
8 source translations are retained for this English entry.
