Animals, such as reptiles, fishes, and amphibians, that cannot control their body temperature and therefore become sluggish in cold weather. (Compare warm-blooded animals.)
Note: Cold-blooded animals are often seen sunning themselves to warm up.
noun 1. a visit or telephone call to a prospective customer without an appointment or a previous introduction. noun 1. a call made by a salesman on a potential customer without making an appointment verb 2. to call on (a potential customer) without making an appointment noun : Canvassing is the equivalent of cold calls […]
noun 1. money immediately available: They will accept payment in cold cash only. noun phrase Unmistakably valid money, as distinct from checks, promises, etc; Hard Cash: The place wants payment in cold cash, nothing less [1884+; fr the notion that definite and inalterable things, like gold and silver coins, are cold and hard] Also, hard […]
noun, Electronics. 1. a cathode, in an electron tube (cold-cathode tube) or lamp, that emits electrons without having to be heated. noun 1. (electronics) a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface
noun, Chiefly Northeastern U.S. 1. root cellar.