(Encyclopedia) corundumcorundumkərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal…
(Encyclopedia) scallop or pecten, marine bivalve mollusk. Like its close relative the oyster, the scallop has no siphons, the mantle being completely open, but it differs from other mollusks in that…
(Encyclopedia) parvovirusparvoviruspärˌvōvīˈrəs [key], any of several small DNA viruses that cause several diseases in animals, including humans. In humans, parvoviruses cause fifth disease, or…
(Encyclopedia) palmetto palm or palmettopalmettopălmĕtˈō [key] [Span.,=little palm], common name for palm trees of the genera Sabal and Serenoa, ranging from the sandy pinelands of the S United…
(Encyclopedia) OneidaOneidaōnīˈdə [key], city (1990 pop. 10,850), Madison co., central N.Y.; inc. 1901. Tableware was long the best-known product, and some is still manufactured in neighboring…
(Encyclopedia) tarweed, any of several related resinous herbs (chiefly species of Hemizonia and Madia) of the family Asteraceae (aster family), having strongly scented and sticky herbage. Most North…
(Encyclopedia) Bogle, Jack (John Clifton Bogle)Bogle, Jack [key], 1929–2019, American financial executive, b. Montclair, N.J., grad. Princeton (1951). Going to work for Walter Morgan's Wellington…
(Encyclopedia) aerosol dispenser, device designed to produce a fine spray of liquid or solid particles that can be suspended in a gas such as the atmosphere. The dispenser commonly consists of a…
(Encyclopedia) waxbill, common name for small, brightly colored weaver finches of the Estrildini tribe of the family Estrildidae. Most are African with the exception of two S Asian species of…
(Encyclopedia) cuttlefish, common name applied to cephalopod mollusks that have 10 tentacles, or arms, 8 of which have muscular suction cups on their inner surface and 2 that are longer and can shoot…
