English Dictionary: allantoin | by the DICT Development Group |
1 result for allantoin | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Allantoin \Al*lan"to*in\, n. (Chem.) A crystalline, transparent, colorless substance found in the allantoic liquid of the fetal calf; -- formerly called allantoic acid and amniotic acid. |