(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 second normal form

plural of sixth-form college

plural of third normal form

plural of well-formed formula

plural of well-formed formula