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.
Water Conservation. Water is one of our most important resources, as every living thing needs water to survive. Water conservation means using less water or recycling used water so that it can be used again.