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orchid

(Encyclopedia)CE5 Rose pogonia, Pogonia ophioglossoides, a member of the orchid family orchid, popular name for members of the Orchidaceae, a family of perennial herbs widely distributed in both hemispheres. Th...

gnat

(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), Bibionidae (hairfli...

mako

(Encyclopedia)mako mäˈkō [key], heavy-bodied, fast-swimming shark, genus Isurus, highly prized as a game fish. Also known as the sharp-nosed mackerel shark, it is a member of the mackerel shark family, which als...

leafhopper

(Encyclopedia)leafhopper, common name for small, wedge-shaped leaping insects, cosmopolitan in distribution, belonging to the family Cicadellidae, which comprises some 5,500 species of insects. Some are brightly co...

tomato

(Encyclopedia)tomato, plant (Lycopersicon esculentum) of the family Solanaceae (nightshade family), related to the potato and eggplant. Although cultivated in Mexico and Peru for centuries before the European conqu...

citrus fruits

(Encyclopedia)citrus fruits, widely used edible fruits of plants belonging to Citrus and related genera of the family Rutaceae (orange family). Included are the tangerine, citrange, tangelo, orange, pomelo, grapefr...

hamster

(Encyclopedia)hamster, Old World rodent, related to the voles, lemmings, and New World mice. There are many hamster species, classified in several genera. All are solitary, burrowing, nocturnal animals, with chunky...

grafting

(Encyclopedia)CE5 Two methods of grafting grafting, horticultural practice of uniting parts of two plants so that they grow as one. The scion, or cion, the part grafted onto the stock or rooted part, may be a s...

locust, in zoology

(Encyclopedia)locust, in zoology, name for certain migratory members of the short-horned grasshopper family (Acrididae). Like other members of this family, locusts have antennae shorter than their bodies, song-prod...

tropical medicine

(Encyclopedia)tropical medicine, study, diagnosis, treatment, and prevention of certain diseases prevalent in the tropics. The warmth and humidity of the tropics and the often unsanitary conditions under which so m...