(Ireland) An Irish festival, usually including folk music, dancing, and sports. / (Ireland) An Irish gathering at which new laws were decreed, as well as folk music, dancing, and sports.

(organic chemistry) Any heterocyclic ketone derived from pyrrolidine, but especially any 2-pyrrolidinone (a form of cyclic amide)

Misspelling of ellipticity.

Worn out; depleted; exhausted; having nothing left; useless, due to the expenditure of all resources.