ユリアCommon word›Freq.FrequencyTop 50,000Meanings1nounurea; carbamidechemistry›Chemical term for the organic compound CO(NH₂)₂, the main nitrogen-containing substance in mammalian urine. Also referred to as 尿素 (にょうそ) in Japanese.See also: 尿素ユリアは肥ひ料りょうや樹じゅ脂しの原げん料りょうとして広ひろく使つかわれている。Urea is widely used as a raw material for fertilizers and resins.