The Radu Spelling Words of the Week



	The Radu Spelling Words of the Week hydrant (hī'drənt) 1. An apparatus for drawing water directly from a main; consists of a hollow metal cylinder provided with one or more nozzles to which a hose may be attached, or with a valve or faucet, used for supplying large quantities of water. hydrogen (hī'drə-jən) n. (Symbol H) A colorless, highly flammable gaseous element, the lightest of all gases and the most abundant element in the universe, used in the production of synthetic ammonia and methanol, in petroleum refining, in the hydrogenation of organic materials, as a reducing atmosphere, in oxyhydrogen torches, and in rocket fuels. Dehydration Dehydration is the loss of water and salts essential for normal body function. chronic (krŏn'ĭk) adj. Of long duration; continuing: chronic money problems. Lasting for a long period of time or marked by frequent recurrence, as certain diseases: chronic colitis. Subject to a habit or pattern of behavior for a long time: a chronic liar. synchronize (sĭng'krə-nīz', sĭn'-) v.intr. To occur at the same time; be simultaneous. To operate in unison. thermos (thûr'məs) n., pl. -mos·es. A vacuum bottle used to keep beverages hot or cold. thermometer (thər-mŏm'ĭ-tər) n. An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid, typically mercury or colored alcohol, that expands and rises in the tube as the temperature increases. diameter (dī-ăm'ĭ-tər) n. (Abbr. d or diam.) Mathematics. A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery. The length of such a segment. Thickness or width. A unit for measuring the magnifying power of a microscope lens or telescope, equal to the number of times an object's linear dimensions are apparently increased. centimeter (sĕn'tə-mē'tər) n. (Abbr. cm) A unit of length equal to one hundredth (10^-2) of a meter. hydrophobia (hī'drə-fō'bē-ə) n. An abnormal fear of water.