1. A substance obtained from urine, and its distinguishing constituent.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• arean,
• auroa,
• jurey,
• areaa,
• herea,
• arewa,
• urien,
• aream,
• orka,
• erea,
• mureau,
• bureu,
• mreo,
• anrea,
• airea,
• erena,
• grea,
• beurea,
• aread,
• earea

• ur,
• urie,
• uria,
• urey.

The adjective form of the word "urea" is "ureic".

The plural of the "urea" can be the "ureas".

The singular of the "urea" can be the "urea".