Alternative spelling of mid-season form

(sports) Peak form, optimal form, excellent form.

(UK) An educational establishment consisting solely of a sixth form.

(logic) A way of expressing a formula of predicate logic such the formula consists of a prenex and a matrix, with the prenex preceding the matrix.

(computing theory) A context-free grammar in which the right hand side of any production rule consists of either one terminal symbol or two non-terminal symbols.

(optics) A lens that is designed to minimize spherical aberration.

plural of best form lens

plural of extensive form game

plural of normal form game

plural of sixth-form college