1. (initialism) .  London Underground.
  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.
  3. Proper noun.  (given name, female) and related names.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.