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Stark, Freya Madeline

(Encyclopedia)Stark, Freya Madeline frāˈə [key], 1893–1993, British author, traveler, and Arabist. The first European to visit several areas in the Middle East, she was born in Paris to artist parents and grew...

aviation

(Encyclopedia)aviation, operation of heavier-than-air aircraft and related activities. Aviation can be conveniently divided into military aviation, air transport, and general aviation. Military aviation includes al...

evaporimeter

(Encyclopedia)evaporimeter ĭvăpˌərĭmˈətər [key], instrument that measures the rate of evaporation of water into the atmosphere, sometimes called an atmometer. Evaporimeters are of two types, those that meas...

Kertész, André

(Encyclopedia)Kertész, André kĕrtĕshˈ [key], 1894–1985, American photographer, b. Budapest. His black-and-white modernist photographs often capture small, lyrical, and emotionally resonant moments while also...

Arecibo Observatory

(Encyclopedia)Arecibo Observatory, radio-astronomy facility located near Arecibo, Puerto Rico, part of the National Astronomy and Ionosphere Center. Conceived by, designed by, and built under the supervision of Wil...

Swabian League

(Encyclopedia)Swabian League, association of Swabian cities and other powers in SW Germany for the protection of trade and for regional peace. The Swabian League of 1488–1534 is the best known of the long series ...

slide rule

(Encyclopedia)slide rule, instrument for making numerical computations and readings, the results of which may be read easily and quickly after performing simple mechanical manipulations. Multiplication and division...

electronic music

(Encyclopedia)electronic music or electro-acoustic music, term for compositions that utilize the capacities of electronic media for creating and altering sounds. Initially, a distinction must be made between the te...

cone, in botany

(Encyclopedia)cone or strobilus strŏbˈələs [key], in botany, reproductive organ of the gymnosperms (the conifers, cycads, and ginkgoes). Like the flower in the angiosperms (flowering plants), the cone is actual...

Hellman, Lillian

(Encyclopedia)Hellman, Lillian, 1905–84, American dramatist, b. New Orleans. Her plays, although often melodramatic, are marked by intelligence and craftsmanship. The Children's Hour (1934), her first drama, conc...