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Definition of LU
1. Noun. A trivalent metallic element of the rare earth group; usually occurs in association with yttrium.
Definition of LU
1. n. & v. t. See Loo.
Definition of LU
1. Initialism. London Underground ¹
2. Initialism. (linear algebra) In linear algebra, a matrix decomposition which writes a matrix as the product of a lower and upper triangular matrix, used in numerical analysis to solve systems of linear equations or find the inverse of a matrix. ¹
3. Proper noun. (diminutive=Lucy female given name) and related names. ¹
4. Proper noun. A Chinese surname (see ?, ?). ¹
5. Proper noun. A Chinese surname (see ?, ?). ¹
6. Proper noun. (alternative spelling of Lugh) ¹
7. Proper noun. A municipality in the district of Inn in the Swiss canton of Graubünden. ¹
8. Proper noun. The language spoken in Yunnan province of China. ¹
9. Noun. (archaic form of loo) (card game) ¹
10. Verb. (archaic form of loo) (beat at card game) ¹
¹ Source: wiktionary.com
Medical Definition of LU
1. Symbol for lutetium. (05 Mar 2000)