âAdaptable ballastâ is a term NLPIP uses to describe an electronic ballast with special circuitry that enables it to operate multiple lamp types, operate different quantities of lamps, and/or operate on multiple input voltages.
Full Definition of PRINCIPLE. 1. a: a comprehensive and fundamental law, doctrine, or assumption b (1) : a rule or code of conduct c: the laws or facts of nature underlying the working of an artificial device. 2. : a primary source: origin. 3. b: an ingredient (as a chemical) that exhibits or imparts a characteristic quality. 4.
LINK / CITE ADD TO WORD LIST. noun. The definition of a principle is a basic truth or the source or origin of something or someone. An example of principle is a list of values set by a group of people. 1  the ultimate source, origin, or cause of something. 2  a natural or original tendency, faculty, or endowment.