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121Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic …
122Ricci curvature — In differential geometry, the Ricci curvature tensor, named after Gregorio Ricci Curbastro, provides one way of measuring the degree to which the geometry determined by a given Riemannian metric might differ from that of ordinary Euclidean n… …
123Acid-base titration — [ frame|100px|frame|Titration setup. The burette would normally be held by a clamp, not shown here. The pink is most likely caused by use of the phenolphthalein indicator.] An acid base titration is a method in chemistry that allows quantitative… …
124Coin problem — With only 2 pence and 5 pence coins, one cannot make 3 pence, but one can make any higher amount. The coin problem (also referred to as the Frobenius coin problem or Frobenius problem, after the mathematician Ferdinand Frobenius) is a… …
125Sand Island Light — Infobox Lighthouse caption = Sand Island lighthouse 1962 location = Sand Island, Alabama coordinates = coord|30.1966|N|88.0534|W yearbuilt = 1838 yearlit = 1873 automated = 1921 yeardeactivated = 1933 foundation = Stone construction = Brownstone… …
126fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
127jewelry — /jooh euhl ree/, n. 1. articles of gold, silver, precious stones, etc., for personal adornment. 2. any ornaments for personal adornment, as necklaces or cuff links, including those of base metals, glass, plastic, or the like. Also, esp. Brit.,… …
128Center — Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the middle point …
