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Thutmose II

(Encyclopedia)Thutmose II thŏthˈmēz, tōtˈmĕs [key], reigned c.1495–1490 b.c., king of ancient Egypt, fourth ruler of the XVIII dynasty and the son and successor of Thutmose I. Unlike Hatshepsut, his half-si...

Tisza, Kálmán

(Encyclopedia)Tisza, Kálmán kälˈmän tĭˈsŏ [key], 1830–1902, Hungarian premier (1875–90), of an old Calvinist family. He entered politics in the Hungarian revolution of Mar., 1848. Elected (1861) to the ...

sidereal time

(Encyclopedia)sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star appears twice on ...

cylinder

(Encyclopedia)CE5 Cylinder cylinder, in mathematics, surface generated by a line moving parallel to a given fixed line and continually intersecting a given fixed curve called the directrix; each line of the fam...

gauss

(Encyclopedia)gauss gous [key] [for C. F. Gauss], abbr. G, unit of magnetic flux density (see flux, magnetic) equal to 0.0001 (10−4) weber per square meter. Since this unit is derived from the cgs system of units...

Genzel, Reinhard

(Encyclopedia)Genzel, Reinhard, 1952–, German astrophysicist, Ph.D. Univ. of Bonn, 1978. He was on the faculty at the Univ. of California, Berkeley, from 1980 to 1986, when he left to become director at the Max P...

Avogadro's number

(Encyclopedia)Avogadro's number ävōgäˈdrō [key] [for Amedeo Avogadro], number of particles contained in one mole of any substance; it is equal to 602,252,000,000,000,000,000,000, or in scientific notation, 6.0...

piquet

(Encyclopedia)piquet or picquet both: pēkāˈ [key], card game played by two persons with a deck of 32 cards—7 (low) up to ace (high) in each suit. Each player receives 12 cards, and eight cards are left on the ...

Yaqui

(Encyclopedia)Yaqui yäˈ kē [key], people of Sonora, Mexico, settled principally along the Yaqui river. Their language is of Uto-Aztecan stock. They engage in weaving and agriculture; many work in the cotton regi...

yard

(Encyclopedia)yard, abbr. yd, basic unit of length in the customary system of English units of measurement; all other units in the English system, such as the inch, foot, rod, and mile, are derived from it. Since 1...