ultraviolet
— Adjective
– English
~ having or employing wavelengths shorter than light but longer than X-rays; lying outside the visible spectrum at its violet end; "ultraviolet radiation"; "an ultraviolet lamp"
Ulugh Muztagh
— Noun
– English
~ a mountain in the Kunlun range in China (25,340 feet high)
Ulugh Muz Tagh
— Noun
– English
~ a mountain in the Kunlun range in China (25,340 feet high)
Surnia ulula
— Noun
– English
~ grey-and-white diurnal hawk-like owl of northern parts of the northern hemisphere
ululate
— Verb
– English
~ emit long loud cries; "wail in self-pity"; "howl with sorrow"
ululation
— Noun
– English
~ a long loud emotional utterance; "he gave a howl of pain"; "howls of laughter"; "their howling had no effect"
Ulva
— Noun
– English
~ type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
genus Ulva
— Noun
– English
~ type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
Ulvaceae
— Noun
– English
~ thin flat or tubular green algae
family Ulvaceae
— Noun
– English
~ thin flat or tubular green algae
order Ulvales
— Noun
– English
~ an order of protoctist