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tunnel diode
Science; General science
A two-terminal semiconductor junction device (also called the Esaki diode) which does not show rectification in the usual sense, but exhibits a negative resistance region at very ...
skink
Science; General science
A widely dispersed reptile belonging to the family Scincidae. The family contains approximately 1200 species and is represented on every continent except Antarctica. There are ...
ediacaran biota
Science; General science
A widely distributed group of soft-bodied marine organisms that are preserved as fossils in rocks of latest Proterozoic age (600–543 million years ago; Ma). The biota ...
linen
Science; General science
A widely used cloth made from flax fibers. Linen is noted for its evenness of thread, fineness, and density. Its uses include garments, tablecloths, sheeting, towels, and ...
dioscoreales
Science; General science
A widespread order of lilioid monocotyledons composed of four or five families, the most important of which is Dioscoreaceae (650 species). These families contain some of the most ...
adaptive wings
Science; General science
A wing is the primary lift-generating surface of an aircraft. Adaptive wings—also known as smart, compliant, intelligent, morphing, controllable, and reactive wings—are lifting ...
supercritical wing
Science; General science
A wing with special streamwise sections, or airfoils, which provide substantial delays in the onset of the adverse aerodynamic effects which usually occur at high subsonic flight ...
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