(Encyclopedia) heronheronhĕrˈən [key], common name for members of the family Ardeidae, large wading birds including the bittern and the egret, found in most temperate regions but most numerous in…
(Encyclopedia) gnat, common name for any one of a number of small, fragile-looking two-winged flies of the suborder Nematocera, order Diptera, which includes the families Tipulidae (crane flies),…
(Encyclopedia) flying fish, common name for members of the Exocoetidae, a family of carnivorous or herbivorous fish of warmer seas. Flying fishes usually swim in schools. They average 7 to 12 in. (17…
(Encyclopedia) mimic thrush, common name for members of the Mimidae, a family of exclusively American birds, allied to the wrens and thrushes, that includes the mockingbird, the catbird, and the…
(Encyclopedia) nonsteroidal anti-inflammatory drug, a drug that suppresses inflammation in a manner similar to steroids, but without the side effects of steroids; commonly referred to by the acronym…
(Encyclopedia) acne, common inflammatory disease of the hair follicles and sebaceous glands characterized by blackheads, whiteheads, pustules, nodules and, in the more severe forms, by cysts and…
(Encyclopedia)
CE5
Wheel and axle
wheel and axle, simple machine consisting of a wheel mounted rigidly upon an axle or drum of smaller diameter, the wheel and the axle having the same axis. It is…
(Encyclopedia) tribe [Lat., tribus: the tripartite division of Romans into Latins, Sabines, and Etruscans], a social group bound by common ancestry and ties of consanguinity and affinity; a common…
(Encyclopedia) rail, common name for some members of the large family Rallidae, marsh and tropical forest birds that include the gallinule and the coot, two specialized rails. Rails are cosmopolitan…
(Encyclopedia) stork, common name for members of a family of long-legged wading birds. The storks are related to the herons and ibises and are found in most of the warmer parts of the world. Storks…
