Meteor-swarm
noun, Astronomy.
1.
any large number of meteoroids moving in parallel paths.
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[mee-ter] /ˈmi tər/ noun 1. the fundamental unit of length in the , equivalent to 39.37 U.S. inches, originally intended to be, and being very nearly, equal to one ten-millionth of the distance from the equator to the pole measured on a meridian: defined from 1889 to 1960 as the distance between two lines on […]
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[mee-ter-ij] /ˈmi tər ɪdʒ/ noun 1. the practice of measuring; measurement. 2. a sum or price charged for measurement.
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meter angle n. The unit of ocular convergence equal to the amount of convergence required to view binocularly an object at 1 meter and exerting 1 diopter of accommodation.
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[mee-ter-kan-dl] /ˈmi tərˌkæn dl/ noun 1. lux. Abbreviation: mc. meter-candle n. See lux.
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[mee-ter-kan-dl-sek-uh nd] /ˈmi tərˈkæn dlˈsɛk ənd/ noun 1. a unit of light-exposure equivalent to one lux for one second.