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.
Although pronounced alike, the words are not interchangeable in writing. A principle is broadly âa rule of action or conductâ (His overriding principle is greed) or âa fundamental doctrine or tenetâ (Their principles do not permit the use of alcoholic beverages). The adjective principal has the general sense âchief, first, foremostâ: My principal objection is the cost of the project.