genus Uintatherium
— Navneord
– Engelsk
~ type genus of the Uintatheriidae; extinct large herbivorous ungulates somewhat resembling elephants; from the Eocene in Wyoming
gastric ulcer
— Navneord
– Engelsk
~ a peptic ulcer of the stomach
genus Ulex
— Navneord
– Engelsk
~ genus of Eurasian spiny shrubs: gorse
genus Ulmus
— Navneord
– Engelsk
~ type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regions
genus Ulva
— Navneord
– Engelsk
~ type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce