urea

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. 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

Etymology

From New Latin, from French urée, from Ancient Greek οὖρον (oûron, “urine”).

Synonyms

carbamide

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