【机】 allophanyl
make water; stale; urine
【医】 ur-; urina; urine; urino-; uro-; urono-
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical
armour; first; nail; shell
【医】 carapace; concha; conchae; helo-; nail; onycho-; onyx
【机】 hydrazide; ureides