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hydra, in zoology

(Encyclopedia)hydra hīˈdrə [key], common name for freshwater organisms in the phylum Cnidaria, which includes jellyfish, sea anemones, and corals. Hydras are widely distributed in lakes, ponds, and sluggish stre...

Hofstadter, Richard

(Encyclopedia)Hofstadter, Richard hōfˈstătˌər, hŏfˈ–, hôfˈ– [key], 1916–70, American historian, b. Buffalo, N.Y. He received his Ph.D. from Columbia in 1942 and began teaching there in 1946, becoming...

mamba

(Encyclopedia)mamba, name for African snakes of the genus Dendroaspis, in the cobra family. Widely distributed throughout Africa except in the deserts, mambas have extremely toxic venom. When attacking they raise t...

Manchester terrier

(Encyclopedia)Manchester terrier, breed of sleek, alert terrier developed in England in the 19th cent. There are two varieties, the standard and the toy (see toy dog). The standard variety stands from 14 to 16 in. ...

Mayakovsky, Vladimir Vladimirovich

(Encyclopedia)Mayakovsky, Vladimir Vladimirovich vlədyēˈmĭr vlədyēˈmĭrəvĭch mīˌəkôfˈskē [key], 1893–1930, Russian poet and dramatist. Mayakovsky was a leader of the futurist school in 1912, and he...

llanos

(Encyclopedia)llanos yäˈnōs [key], Spanish-American term for prairies, specifically those of the Orinoco River basin of N South America, in Venezuela and E Colombia. The llanos of the Orinoco are a vast, hot reg...

Mackenzie, Alexander, Canadian political leader

(Encyclopedia)Mackenzie, Alexander, 1822–92, Canadian political leader, b. Scotland. Emigrating (1842) to Canada, he worked first as a stonemason in Kingston, Ont., and then as a builder and contractor in Sarnia....

Chesterton, G. K.

(Encyclopedia)Chesterton, G. K. (Gilbert Keith Chesterton), 1874–1936, English author. Conservative, even reactionary, in his thinking, Chesterton was a convert (1922) to Roman Catholicism and its champion. He ha...

chicle

(Encyclopedia)chicle chĭkˈəl [key], name for the gum obtained from the latex of the sapodilla tree (Manilkara zapota), a tropical American evergreen. The sapodilla (known also by many other common names) is wide...

cyanobacteria

(Encyclopedia)cyanobacteria sīˌənōbăktĭrˈēə, sī-ănˌō– [key] or blue-green algae, photosynthetic bacteria that contain chlorophyll. For many years they were classified in the plant kingdom along with ...
 

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