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everlasting
everlasting or immortelle , names for numerous plants characterized by papery or chaffy flowers that retain their form and often their color when dried and are used for winter bouquets and decorations. Everlastings are usually cut before fully mature and hung head downward to dry in an area away...
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moment
moment in physics and engineering, term designating the product of a quantity and a distance (or some power of the distance) to some point associated with that quantity. The most theoretically useful moments are moments of masses, areas, lines, and forces, including magnetic force. The concept of t...
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quaking grass
quaking grass any plant of the genus Briza, annuals or perennials of the Gramineae ( grass family), cultivated for the graceful clusters of seeds, which vibrate in a breeze and are used in everlasting bouquets. The plants are native to temperate regions of Europe and South America and are now ...
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leadwort
leadwort , common name for the Plumbaginaceae, a family of perennial herbs and shrubs usually found in semiarid regions, especially of the Mediterranean area and Central Asia. Several species—e.g., thrift (genus Armeria ), prickly thrift (genus Acantholimon ), sea lavender (genus Limonium )...
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Otto Stern
Otto Stern , 1888-1969, American physicist, b. Germany, Ph.D. Univ. of Breslau, 1912. After resigning from his post at the Univ. of Hamburg in 1933, he became professor of physics at the Carnegie Institute of Technology and later professor emeritus at the Univ. of California, Berkeley. Stern was an ...
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amaranth
amaranth [Gr.,=unfading], common name for the Amaranthaceae (also commonly known as the pigweed family), a family of herbs, trees, and vines of warm regions, especially in the Americas and Africa. The genus Amaranthus includes several widely distributed species called amaranths that are character...
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teasel
teasel common name for some members of the Dipsacaceae, a family of chiefly Old World herbs found mostly in the Mediterranean and Balkan areas but ranging to India and to S Africa. Species of Dipsacus and Scabiosa have become widely naturalized in America. Scabiosa, commonly called sweet scab...
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torque
torque in physics, that which tends to change the rate of rotation of a body; also called the moment of force . The torque produced by rotating parts of an electric motor or internal-combustion engine is often used as a measure of its ability to do useful work. The magnitude of the torque acting...
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haiku
haiku , an unrhymed Japanese poem recording the essence of a moment keenly perceived, in which nature is linked to human nature. It usually consists of 17 jion (Japanese symbol-sounds). The term is also used for foreign adaptations of the haiku, notably the poems of the imagists . These poems are...
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statics
statics branch of mechanics concerned with the maintenance of equilibrium in bodies by the interaction of forces upon them (see force ). It incorporates the study of the center of gravity (see center of mass ) and the moment of inertia. In a state of equilibrium all the forces acting on a bod...
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