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Akerlof, George Arthur

(Encyclopedia) Akerlof, George Arthur, 1940–, American economist, b. New Haven, Conn., B.A. Yale, 1962, Ph.D. Massachusetts Institute of Technology, 1966. He has been a professor at the Univ. of…

Fort Wayne

(Encyclopedia) Fort Wayne, city (2020 pop. 263,886), seat of Allen co., NE Ind., where the St. Joseph and St. Marys rivers join to form the Maumee…

endometriosis

(Encyclopedia) endometriosisendometriosisĕnˌdəmēˌtrē-ōˈsĭs [key], a condition in which small pieces of the endometrium (the lining of the uterus) migrate to other places in the pelvic area. The…

thymus gland

(Encyclopedia) thymus glandthymus glandthīˈməs [key], mass of glandular tissue located in the neck or chest of most vertebrate animals. In humans, the thymus is a soft, flattened, pinkish-gray organ…

vineyard

(Encyclopedia) vineyard, land on which cultivation of the grape—known as viticulture—takes place. As many as 40 varieties of grape, Vitis vinifera, are known. The few that grow wild are generally not…

screamer

(Encyclopedia) screamer, common name for gregarious, aquatic birds comprising three species in the family Anhimidae. Although they are related to the ducks and geese, they do not resemble them in…

goosefoot

(Encyclopedia) CE5 Lamb's-quarters Chenopodium album, a member of the goosefoot family goosefoot, common name for the genus Chenopodium, as well as for the goosefoot family, Chenopodiaceae, a…

human papillomavirus

(Encyclopedia) human papillomavirus (HPV), any of a family of more than 100 viruses that cause various growths, including plantar warts and genital warts, a sexually transmitted disease. Genital…

auxin

(Encyclopedia) auxinauxinôkˈsĭn [key], plant hormone that regulates the amount, type, and direction of plant growth. Auxins include both naturally occurring substances and related synthetic compounds…

micromechanics

(Encyclopedia) micromechanics, the combination of minuscule electrical and mechanical components in a single device less than 1 mm across, such as a valve or a motor. Although micromechanical…