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water mold
(Encyclopedia) water mold, common name for a group of multinucleated organisms that superficially resemble fungi but are now recognized as having an independent evolutionary lineage and are placed in…uracil
(Encyclopedia) uraciluracily&oobreve;rˈəsĭl [key], organic base of the pyrimidine family. It was isolated from herring sperm and also produced in a laboratory in 1900–1901. When combined with the…urinalysis
(Encyclopedia) urinalysisurinalysisy&oobreve;rˌənălˈĭsĭs [key], clinical examination of urine for the purpose of medical diagnosis. Urine is initially examined for such characteristics as color,…Benn, Anthony Wedgwood
(Encyclopedia) Benn, Anthony Wedgwood (Tony Benn), 1925–2014, British politician, b. London, grad. New College, Oxford. After working for the British Broadcasting Corporation (1949–50), he was…thymine
(Encyclopedia) thyminethyminethīˈmēn [key], organic base of the pyrimidine family. Thymine was the first pyrimidine to be purified from a natural source, having been isolated from calf thymus and…Tharp, Twyla
(Encyclopedia) Tharp, TwylaTharp, Twylatwīˈlə [key], 1941–, American dancer and choreographer, b. Portland, Ind. An eclectic, innovative choreographer and dancer, she danced (1963–65) with Paul…thermoelectricity
(Encyclopedia) thermoelectricity, direct conversion of heat into electric energy, or vice versa. The term is generally restricted to the irreversible conversion of electricity into heat described by…toxic waste
(Encyclopedia) toxic waste is waste material, often in chemical form, that can cause death or injury to living creatures. It usually is the product of industry or commerce, but comes also from…polonium
(Encyclopedia) poloniumpoloniumpəlōˈnēəm [key], radioactive chemical element; symbol Po; at. no. 84; mass no. of most stable isotope 209; m.p. 254℃; b.p. 962℃; sp. gr. about 9.4; valence +2 or +4.…North American Free Trade Agreement
(Encyclopedia) North American Free Trade Agreement (NAFTA), accord establishing a free-trade zone in North America; it was signed in 1992 by Canada, Mexico, and the United States and took effect on…Trending
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