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Macphail, Agnes Campbell
(Encyclopedia)Macphail, Agnes Campbell məkfālˈ [key], 1890–1954, Canadian legislator, b. Ontario. She was elected (1921) to the Canadian House of Commons as a representative of the United Farmers of Ontario an...haze
(Encyclopedia)haze, suspension in the atmosphere of minute dust or salt particles that are not individually seen but that nevertheless reduce visibility. So-called damp haze and dry haze produce different optical e...horsetail
(Encyclopedia)horsetail, any plant of the genus Equisetum [Lat.,=horse bristle], the single surviving genus of a large group (Equisetophyta) of primitive vascular plants. Like the ferns and club mosses, relatives o...dentition
(Encyclopedia)dentition, kind, number, and arrangement of the teeth of humans and other animals. During the course of evolution, teeth were derived from bony body scales similar to the placoid scales on the skin of...Cro-Magnon man
(Encyclopedia)Cro-Magnon man krō-măgˈnən, –mănˈyən [key], an early Homo sapiens (the species to which modern humans belong) that lived about 40,000 years ago. Skeletal remains and associated artifacts of t...Burnet, Thomas
(Encyclopedia)Burnet, Thomas, c.1635–1715, English cleric and scientist, b. Croft, in Yorkshire, England. He was educated at Northallerton and Cambridge. Following travels in Europe, Burnet published in 1681 the ...Nabuco, Joaquim
(Encyclopedia)Nabuco, Joaquim zhwäkēmˈ nəbo͞oˈ ko͝o [key], 1849–1910, Brazilian writer, abolitionist, and diplomat. A parliamentary deputy in imperial times, he was perhaps the strongest single force in br...dark matter
(Encyclopedia)dark matter, material that is believed to make up nearly 27% of the mass of the universe but is not readily visible because it neither emits nor reflects electromagnetic radiation, such as light or ra...Wuchang
(Encyclopedia)Wuchang wo͞o-chäng [key], former city, since 1950 part of Wuhan, E Hubei prov., China, on the right bank of the Chang River at the mouth of the Han. It is an administrative and cultural center, with...Walras, Léon
(Encyclopedia)Walras, Léon, 1834–1910, French economist. After abandoning his studies in mining engineering, he became a freelance journalist, advancing the causes of economic and social reform. He later became ...Browse by Subject
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