First Peek Ever Inside America's Most Successful Movie Theater. It's in NYC (of course), but the other reasons for its success aren't so obvious: there are no special tricks (gourmet meals aren't here), lots of unusual choices (art films!), and a commando-like operation.
Wiktionary(5.00 / 1 vote)Rate this definition: 1  conservation(Noun) The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation. 2  conservation(Noun) A wise use of natural resources.
Definition of conservationist for English Language Learners. : someone who works to protect animals, plants, and natural resources or to prevent the loss or waste of natural resources : a person who is involved in conservation. See words that rhyme with conservationist Spanish Central: Translation of conservationist Nglish: Translation of conservationist for Spanish speakers.