| LUMINIFEROUS | • luminiferous adj. Producing or transmitting light; luminous. • LUMINIFEROUS adj. bearing or bringing light. | 
| LUXULIANITES | • LUXULIANITE n. a tourmaline granite found at Luxulyan in Cornwall, also LUXULLIANITE, LUXULYANITE. | 
| LUXULLIANITE | • luxullianite n. (Mineralogy) A kind of granite characterized by the presence of radiating groups of minute tourmaline crystals. • LUXULLIANITE n. a tourmaline granite found at Luxulyan in Cornwall, also LUXULIANITE, LUXULYANITE. | 
| LUXURIANCIES | • luxuriancies n. Plural of luxuriancy. • LUXURIANCY n. the state of being luxuriant, also LUXURIANCE. | 
| MULTICAULINE | • multicauline adj. Having more than one caulis. • MULTICAULINE adj. having many stems. | 
| QUINQUENNIAL | • quinquennial adj. Of or related to a five-year period. • quinquennial n. A five-year period. • quinquennial n. A 5th anniversary. | 
| UNDERUTILISE | • underutilise v. (British spelling) Alternative form of underutilize. • UNDERUTILISE v. to utilize less than fully, also UNDERUTILIZE. | 
| UNDERUTILIZE | • underutilize v. Underuse. • UNDERUTILIZE v. to utilize less than fully, also UNDERUTILISE. | 
| UNILLUSIONED | • unillusioned adj. Not illusioned. • UNILLUSIONED adj. free from illusion. | 
| UNISEXUALITY | • unisexuality n. The property of being unisexual (having characteristics of a single sex); (especially in botany) the… • unisexuality n. The state of being unisex (suitable for any sex). • UNISEXUALITY n. the state of being unisexual. | 
| UNLIQUIDATED | • unliquidated adj. (Law) Not liquidated; unascertained. • UNLIQUIDATED adj. not liquidated. | 
| UNNILHEXIUMS | • UNNILHEXIUM n. a chemical element, aka seaborgium. | 
| UNNILPENTIUM | • unnilpentium n. (Dated) dubnium. • UNNILPENTIUM n. a former name of the transuranic element dubnium. | 
| UNNILSEPTIUM | • unnilseptium n. (Dated) bohrium. • UNNILSEPTIUM n. a former name of the transuranic element bohrium. | 
| UNPUBLICISED | • unpublicised adj. Alternative spelling of unpublicized. • UNPUBLICISED adj. not publicised, also UNPUBLICIZED. | 
| UNPUBLICIZED | • unpublicized adj. Not publicized. • UNPUBLICIZED adj. not publicized, also UNPUBLICISED. | 
| VINICULTURES | • vinicultures n. Plural of viniculture. • VINICULTURE n. vine-growing, also VITICULTURE. |