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speedometer

(Encyclopedia)speedometer, instrument that indicates speed. A cable from an automotive speedometer is attached to the rear of the transmission of an automobile; the cable turns at a rate proportional to the speed o...

Whitby, Synod of

(Encyclopedia)Whitby, Synod of, called by King Oswy of Northumbria in 663 at Whitby, England. Its purpose was to choose between the usages of the Celtic and Roman churches, primarily in the matter of reckoning the ...

flight

(Encyclopedia)CE5 Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which move in the same d...

sea turtle

(Encyclopedia)sea turtle, name for several species of large marine turtles found in tropical and subtropical oceans. These turtles are modified for life in the ocean by having flipperlike forelimbs without toes and...

erosion

(Encyclopedia)erosion ĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-shore waves, ice (most...

mass spectrograph

(Encyclopedia)mass spectrograph, device used to separate electrically charged particles according to their masses; a form of the instrument known as a mass spectrometer is often used to measure the masses of isotop...

Kati Thanda–Lake Eyre

(Encyclopedia)Kati Thanda–Lake Eyre, formerly Lake Eyre, shallow salt lake, central South Australia state, Australia. The lake, in fact two lakes connected by a channel, is the continent's lowest point (49 ft/15 ...

Princeton University

(Encyclopedia)Princeton University, at Princeton, N.J.; coeducational; chartered 1746, opened 1747, rechartered 1748, called the College of New Jersey until 1896. Established by the “New Light” (evangelical) ...

stealth technology

(Encyclopedia)stealth technology, designs and materials engineered for the military purpose of avoiding detection by radar or any other electronic system. Stealth, or antidetection, technology is applied to vehicle...

Monk, Meredith Jane

(Encyclopedia)Monk, Meredith Jane, 1942–, American dancer, choreographer, composer, singer, director, and filmmaker, b. Lima, Peru, grad. Sarah Lawrence College, 1964. A major figure in the avant-garde, she began...