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cyclic compound
(Encyclopedia) cyclic compound, any one of a class of compounds whose molecules contain a number of atoms bonded together to form a closed chain or ring. If all of the atoms that form the ring are…Brussels sprouts
(Encyclopedia) Brussels sprouts, variety (gemmifera) of cabbage producing small edible heads (sprouts) along the stem. It is cultivated like cabbage and was first developed in Belgium and France in…Svanetia
(Encyclopedia) SvanetiaSvanetiasvänēˈshə [key], mountainous region, in Georgia, on the southern slopes of the Greater Caucasus. It is very difficult to access, and its inhabitants, the Svans, have…S
(Encyclopedia) S, 19th letter of the alphabet, representing the common sibilant, voiceless in spur, voiced in rose. Its Greek equivalent is sigma. In former times the nonterminal s was written or…Qostanay
(Encyclopedia) Qostanay,&sp;Kostanay, or KustanayKustanayall: k&oobreve;sˌtənīˈ [key], city (1993 est. pop. 228,000), N Kazakhstan, on the Tobol River. It is an agricultural center and…Nelson, Robert
(Encyclopedia) Nelson, Robert, 1794–1873, Canadian rebel, b. Montreal; brother of Wolfred Nelson. Like his brother, he was a surgeon in the War of 1812, and with him he entered the Legislative…guitar
(Encyclopedia) guitar, musical instrument related to the lute, modern guitars normally having six strings that are plucked with the fingers or strummed with a pick. Earlier versions had pairs of…europium
(Encyclopedia) europiumeuropiumy&oobreve;rōˈpēəm [key] [from Europe], metallic chemical element; symbol Eu; at. no. 63; at. wt. 151.964; m.p. about 820℃; b.p. about 1,600℃; sp. gr. 5.25 at 25℃;…quinoa
(Encyclopedia) quinoaquinoakēnwäˈ [key], tall annual herb (Chenopodium quinoa) of the family Chenopodiaceae (goosefoot family), whose seeds have provided a staple food for peoples of the higher Andes…computer virus
(Encyclopedia) computer virus, rogue computer program, typically a short program designed to disperse copies of itself to other computers and disrupt those computers' normal operations. A computer…Trending
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