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amphibole
(Encyclopedia)amphibole ămˈfəbōlˌ [key], any of a group of widely distributed rock-forming minerals, magnesium-iron silicates, often with traces of calcium, aluminum, sodium, titanium, and other elements. The ...Ampère, André Marie
(Encyclopedia)Ampère, André Marie ămˈpēr; Fr. äNdrāˈ märēˈ äNpĕrˈ [key], 1775–1836, French physicist, mathematician, and natural philosopher. He was professor of mathematics at the École Polytechni...energy
(Encyclopedia) CE5 Relations between potential energy (PE) and kinetic energy (KE) for a swinging pendulum energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include hea...composition board
(Encyclopedia)composition board, wood product produced in the form of a board or sheet, formed of cellulose fibers or particles derived from wood or other sources, and used principally as a building material. The o...swimming
(Encyclopedia)swimming, self-propulsion through water, often as a form of recreation or exercise or as a competitive sport. It is mentioned in many of the classics in connection with heroic acts or religious rites....Tlingit
(Encyclopedia)Tlingit tlĭngˈgĭt [key], group of related Native North American tribes, speaking a language that forms a branch of the Nadene linguistic stock (see Native American languages). The 14 divisions of t...Tokelau
(Encyclopedia)Tokelau tōkəlouˈ, tōkĕläˈo͞o [key] formerly Union Islands, island group (2015 est. pop. 1,500), c.5 sq mi (c.12 sq km), S Pacific, a self-administering territory of New Zealand. It is composed...plasma
(Encyclopedia)plasma, in physics, fully ionized gas of low density, containing approximately equal numbers of positive and negative ions (see electron and ion). It is electrically conductive and is affected by magn...Jevons, William Stanley
(Encyclopedia)Jevons, William Stanley jĕvˈənz [key], 1835–82, English economist and logician. After working in Australia as assayer to the mint, he taught at Owens College, Manchester, and University College, ...hydrogen
(Encyclopedia)hydrogen hīˈdrəjən [key] [Gr.,=water forming], gaseous chemical element; symbol H; at. no. 1; interval in which at. wt. ranges 1.00784–1.00811; m.p. −259.14℃; b.p. −252.87℃; density 0.08...Browse by Subject
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