detector

n 1: anything that receives a stimulus (as heat pressure light

motion etc.) and responds to it [syn: {sensor}]

2: extracts modulation from a radio carrier wave [syn: {demodulator}]

3: detects the presence of radio signals or radioactivity

selector

1. In {Smalltalk} or {Objective C}, the {syntax}

of a message which selects a particular {method} in the target

{object}.

2. An operation that returns the state of an object but does

not alter that state. Selector {functions} or {method}s often

have names which begin with "get" and corresponding {modifier}

methods or {procedures} whose names begin with "set".

(1998-01-12)