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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...

mansard roof

(Encyclopedia)CE5 Mansard roof mansard roof mănˈsärd [key], type of roof, so named because it was frequently used by the French architect François Mansart. It was not devised by him but was used early in th...

arginine

(Encyclopedia)CE5 arginine ärˈjənĭn [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of proteins. Its basic side ...

cornet

(Encyclopedia)CE5 Cornet cornet, brass wind musical instrument, created in France about 1830 by adding valves to the post horn. It is usually in B flat and is the same size as the B flat trumpet, but has a more...

alanine

(Encyclopedia)CE5 alanine ălˈənēnˌ [key], organic compound, one of the 20 amino acids commonly found in animal proteins. Only the l-stereoisomer participates in the biosynthesis of proteins (see stereochemi...

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...

Entoprocta

(Encyclopedia)CE5 A. Internal anatomy of a single animal in a Pedicellina colony B. Part of a colony of Pedicellina, representative of the phylum Entoprocta Entoprocta ĕnˌtəprŏkˈtə [key], animal phylum co...

pyrimidine

(Encyclopedia)CE5 Pyrimidines found in deoxyribonucleic acid (DNA) pyrimidine pīrĭmˈĭdēnˌ [key], type of organic base found in certain coenzymes and in the nucleic acids of plant and animal tissue. The th...

‘Oumuamua

(Encyclopedia)‘Oumuamua ōmo͞oˈəmo͞oˈə [key], officially 1I/2017 U1 (‘Oumuamua), interstellar object, the first to be discovered in the solar system. Highly variable in brightness, it also is highly and u...

panpipes

(Encyclopedia)CE5 Panpipes panpipes, Pandean pipes sĭrˈĭngks [key], musical wind instrument, consisting of graduated tubes closed at one end and fastened together. The player holds the instrument vertically...