alkali purification
121chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
122Egypt — /ee jipt/, n. 1. Arab Republic of. a republic in NE Africa. 64,791,891; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958 71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta… …
123lake — lake1 /layk/, n. 1. a body of fresh or salt water of considerable size, surrounded by land. 2. any similar body or pool of other liquid, as oil. 3. (go) jump in the lake, (used as an exclamation of dismissal or impatience.) [bef. 1000; ME lak(e) …
124Lake — /layk/, n. Simon, 1866 1945, U.S. engineer and naval architect. * * * I Relatively large body of slow moving or standing water that occupies an inland basin. Lakes are most abundant in high northern latitudes and in mountain regions, particularly …
125lutetium — /looh tee shee euhm/, n. Chem. a trivalent rare earth element. Symbol: Lu; at. wt.: 174.97; at. no.: 71. Also, lutecium. [1905 10; < L Lutet(ia) Paris + IUM] * * * ▪ chemical element (Lu), chemical element, rare earth metal of the lanthanoid… …
126oxygen — oxygenic /ok si jen ik/, oxygenous /ok sij euh neuhs/, adj. oxygenicity /ok si jeuh nis i tee/, n. /ok si jeuhn/, n. Chem. a colorless, odorless, gaseous element constituting about one fifth of the volume of the atmosphere and present in a… …
127radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
128water — waterer, n. waterless, adj. waterlessly, adv. waterlessness, n. waterlike, adj. /waw teuhr, wot euhr/, n. 1. a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H2O, freezing at 32°F or 0°C and boiling at 212°F or 100°C …
