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.
The words principle and principal are pronounced in the same way but they do not have the same meaning. Principle is normally used as a noun meaning âa fundamental basis of a system of thought or beliefâ, as in this is one of the basic principles of democracy. Principal, on the other hand, is normally an adjective meaning âmain or most importantâ, as in one of the country's principal cities. Principal can also be a noun, where it is used to refer to the most senior or most important person in an organization or other group: the deputy principal.