plural of tin frame

plural of wire-frame

plural of frame problem

(computing theory) The problem of finding an adequate collection of axioms making up a viable description of the world for a robot or artificial intelligence.

plural of frame rate

A desk formed of fine ground glass, used for retouching photographic negatives.

plural of retouching frame

plural of lever frame

(rail transport) A frame in a signal box in which levers that operate signals and points are mounted.

plural of drawing frame