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latent heat

(Encyclopedia)latent heat, heat change associated with a change of state or phase (see states of matter). Latent heat, also called heat of transformation, is the heat given up or absorbed by a unit mass of a substa...

melting point

(Encyclopedia)melting point, temperature at which a substance changes its state from solid to liquid. Under standard atmospheric pressure different pure crystalline solids will each melt at a different specific tem...

nuclear reactor

(Encyclopedia)CE5 Power reactor system nuclear reactor, device for producing controlled release of nuclear energy. Reactors can be used for research or for power production. A research reactor is designed to pr...

enamelware

(Encyclopedia)enamelware, utensils having a metal foundation and a coating of special glass, called porcelain enamel, applied by fusion. The porcelain enamel, or vitreous enamel, is applied to make the utensils cor...

Hastings, Serranus Clinton

(Encyclopedia)Hastings, Serranus Clinton sĕrˈənəs [key], 1814–93, American judge, b. Jefferson co., N.Y. He was admitted to the Indiana bar in 1836 and moved to Iowa soon afterward. He served in the first Iow...

Giannotti, Donato

(Encyclopedia)Giannotti, Donato dōnäˈtō jän-nôtˈtē [key], 1492–1573, Italian political theorist, b. Florence. He studied at Pisa and in 1527 became secretary of the supreme council of the Florentine repub...

ruby

(Encyclopedia)ruby, precious stone, the transparent red variety of corundum, found chiefly in Myanmar, Thailand, and Sri Lanka and classified among the most valuable of gems. The Myanmarese stones are blood red, th...

Rulfo, Juan

(Encyclopedia)Rulfo, Juan hwän ro͞olˈfō [key], 1918–86, Mexican writer. In his fiction he recreates the desolation of his native southern Jalisco and brings to life its simple people in a harsh and tragic man...

Massachusetts Institute of Technology

(Encyclopedia)Massachusetts Institute of Technology, at Cambridge; coeducational; chartered 1861, opened 1865 in Boston, moved 1916. It has long been recognized as an outstanding technological institute and its Slo...

Scriabin, Aleksandr Nikolayevich

(Encyclopedia)Scriabin, Aleksandr Nikolayevich əlyĭksänˈdər nyēkəlīˈəvĭch skrēäbēnˈ, skrēäˈbĭn [key], 1872–1915, Russian composer and pianist. The name is sometimes spelled Skriabin or Skryabin...