| unabsorbable | <physiology> Not absorbable; specifically, not capable of absorption; unable to pass by osmosis into the circulating blood; as, the unabsorbable portion of food. Source: Websters Dictionary (01 Mar 1998) |
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| unalist | An ecclesiastical who holds but one benefice; distinguished from pluralist. Origin: L. Unus one. Source: Websters Dictionary (01 Mar 1998) |
| unarmed rostellum | Rostellum lacking hooks. (05 Mar 2000) |
| unau | <zoology> The two-toed sloth (Cholopus didactylus), native of South America. It is about two feet long. Its colour is a uniform grayish brown, sometimes with a reddish tint. Origin: Brazilian. Source: Websters Dictionary (01 Mar 1998) |
| unavoidable | 1. Not avoidable; incapable of being shunned or prevented; inevitable; necessary; as, unavoidable troubles. 2. Not voidable; incapable of being made null or void. <medicine> Unavoidable hemorrhage, hemorrhage produced by the afterbirth, or placenta, being situated over the mouth of the womb so as to require detachment before the child can be born. Unavoid"ableness, Unavoid"ably. Source: Websters Dictionary (01 Mar 1998) |
| unavoidable haemorrhage | An obsolete term for haemorrhage occurring during labour in cases of placenta previa, as distinguished from accidental haemorrhage. (05 Mar 2000) |