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thulium

(Encyclopedia)thulium tho͞oˈlēəm [key] [from Thule, an ancient name for Scandinavia], metallic chemical element; symbol Tm; at. no. 69; at. wt. 168.93421; m.p. about 1,545℃; b.p. 1,947℃; sp. gr. 9.3; valenc...

Muir, Edwin

(Encyclopedia)Muir, Edwin, 1887–1959, British author, b. Orkney Islands, Scotland. He moved with his family to Glasgow in 1901, where he remained for 18 years. In 1919 he went to London and joined the staff on th...

Tintoretto

(Encyclopedia)Tintoretto tēntōrĕtˈtō [key], 1518–94, Venetian painter, whose real name was Jacopo Robusti. Tintoretto is considered one of the greatest painters in the Venetian tradition. He was called Il Ti...

conglomerate, in business

(Encyclopedia)conglomerate, corporation whose asset growth, often very rapid, comes largely through the acquisition of, or merger with, other firms whose products are largely unrelated to each other or to that of t...

Elizabeth II, queen of Great Britain and Northern Ireland

(Encyclopedia)Elizabeth II, 1926–2022, former queen of Great Britain and Northern Ireland (1952–2022), elder daughter and successor of George VI, and Britain's lo...

Halloween

(Encyclopedia)Halloween säˈwĭn [key], the beginning of winter and the Celtic new year. Spirits, or fairies, were said to roam the earth on this evening, playing tricks on human beings to mark the season of dimin...

pistachio

(Encyclopedia)pistachio pĭstăshˈēō, pĭstäˈshēō [key], tree or shrub (of the genus Pistacia) of the family Anacardiaceae (sumac family). The species that yields the pistachio nut of commerce is P. vera, na...

plagues of Egypt

(Encyclopedia)plagues of Egypt, in the Bible, the plagues and other troubles brought on Egypt by God through the hands of Moses, because Pharaoh would not let the people of Israel go out of Egypt. The account, in t...

center of mass

(Encyclopedia)center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of t...

York, house of

(Encyclopedia)York, house of, royal house of England, deriving its name from the creation of Edmund of Langley, fifth son of Edward III, as duke of York in 1385. The claims to the throne of Edmund's grandson, Richa...