(Encyclopedia) puts and calls, in securities trading. A call is a contract that gives the holder the right to purchase a given stock at a specific price within a designated period of time. It is the…
(Encyclopedia) Masters and Johnson, pioneering research team in the field of human sexuality, consisting of the gynecologist William Howell Masters, 1915–2001, b. Cleveland, and the psychologist…
(Encyclopedia) acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water.
Another theory that…
(Encyclopedia) Nuneaton and BedworthNuneaton and Bedworthnənēˈtən [key], district (1991 pop. 115,300), Warwickshire, central England. The district primarily comprises the city of Nuneaton and the…
(Encyclopedia) Greene and Greene, architectural firm working in the American arts and crafts style, formed by the brothers Charles Sumner Greene, 1868–1957, and Henry Mather Greene, 1870–1954, both b…
(Encyclopedia) LepidodendronLepidodendronlĕpˌĭdōdĕnˈdrən [key] and SigillariaSigillariasĭjĭlârˈēə [key], two principal genera of an extinct group of primitive vascular trees. They dominated the…
(Encyclopedia) Pyramus and ThisbePyramus and Thisbepĭrˈəməs, thĭzˈbē [key], in classical mythology, youth and maiden of Babylon, whose parents opposed their marriage. Their homes adjoined, and they…
(Encyclopedia) MontagnaisMontagnaismŏntənyāˈ [key] and NaskapiNaskapinăsˈkəpē [key], aboriginal peoples originally from Labrador, Canada. Because they both spoke almost identical Algonquian languages…
(Encyclopedia) Slavophiles and Westernizers, designation for two groups of intellectuals in mid-19th-century Russia that represented opposing schools of thought concerning the nature of Russian…