propagating frame
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propagating frame — noun : an opaque enclosed case with artificial controlled light and heat that is used for propagating plants; broadly : any enclosure so used : hotbed, cold frame … Useful english dictionary
propagating pit — noun : an excavation often covered with a glass frame used for the protection of plants in cold weather or for forwarding early growth … Useful english dictionary
olive — /ol iv/, n. 1. an evergreen tree, Olea europaea, of Mediterranean and other warm regions, cultivated chiefly for its fruit. Cf. olive family. 2. the fruit of this tree, a small oval drupe, eaten as a relish and used as a source of oil. 3. Also… … Universalium
Olive — /ol iv/, n. a female given name. * * * Subtropical, broad leaved tree (Olea europaea) or its edible fruit. The olive was being grown on the island of Crete с 3500 BC, and Semitic peoples apparently were cultivating it as early as 3000 BC. Its… … Universalium
Shock wave — Bombshock redirects here. For the Transformers character, see Micromasters#Bombshock. For other uses, see shockwave. Schlieren photograph of an attached shock on a sharp nosed supersonic body. A shock wave (also called shock front or simply shock … Wikipedia
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
Fourier optics — is the study of classical optics using techniques involving Fourier transforms and can be seen as an extension of the Huygens Fresnel principle. The underlying theorem that light waves can be described as made up of sinusoidal waves, in a manner… … Wikipedia
Luminiferous aether — The luminiferous aether: it was hypothesised that the Earth moves through a medium of aether that carries light In the late 19th century, luminiferous aether or ether, meaning light bearing aether, was the term used to describe a medium for the… … Wikipedia
