(Encyclopedia) indicators, acid-base, organic compounds that, in aqueous solution, exhibit color changes indicative of the acidity or basicity of the solution. Common indicators include p-nitrophenol…
(Encyclopedia) Howe, Edgar Watson, 1853–1937, American editor and author, b. Treaty, near Wabash, Ind. From 1877 to 1911 he was editor and proprietor of the Atchison, Kans., Daily Globe, and in 1911…
(Encyclopedia) Hastings, Serranus ClintonHastings, Serranus Clintonsĕrˈənəs [key], 1814–93, American judge, b. Jefferson co., N.Y. He was admitted to the Indiana bar in 1836 and moved to Iowa soon…
(Encyclopedia) Graham, Thomas, 1805–69, Scottish chemist, best known for research in diffusion in both gases and liquids that led to his formulation of Graham's law. His discovery that certain…
(Encyclopedia) erysipelaserysipelasĕrəsĭpˈələs [key], acute infection of the skin characterized by a sharply demarcated, shiny red swelling, accompanied by high fever and a feeling of general illness…
(Encyclopedia) junco or snowbird, small seed-eating bird of North America closely related to the sparrows. Juncos have white underparts and gray (sometimes also brown) backs. They travel in flocks.…
(Encyclopedia) Mundell, Robert A., 1932–2021, Canadian economist, b. Kingston, Ont., Massachusetts Institute of Technology (Ph.D. , 1956). He taught at…
(Encyclopedia) athlete's heart, common term for an enlarged heart associated with repeated strenuous exercise. As a result of the increased workload required of it, the heart will increase…
(Encyclopedia) ninebark, any plant of the genus Physocarpus of the family Rosaceae (rose family). Ninebarks are North American (one is Asian) deciduous, hardy, spring-blooming shrubs, with thin bark…
(Encyclopedia) killdeer, common North American shorebird related to the plover and the sandpiper. It is about 10 in. (25 cm) in length and its plumage is grayish brown with a double black band across…
