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STP
(Encyclopedia) STP or standard temperature and pressure, standard conditions for measurement of the properties of matter. The standard temperature is the freezing point of pure water, 0℃ or 273.15K.…proper motion
(Encyclopedia) proper motion, in astronomy, apparent movement of a star on the celestial sphere, usually measured as seconds of arc per year; it is due both to the actual relative motions of the sun…K2
(Encyclopedia) K2 or Mount Godwin-Austen, peak, 28,251 ft (8,611 m) high, in the Karakorum range, N Kashmir, on the China-Pakistan border; second highest peak in the world. It was discovered and…Brewer's: Passy-measure Pavin
A pavin is a stately dance (see Pavan) ; a passy-measure pavin is a reeling dance or motion, like that of a drunken man, from side to side. Sir Toby Belch says of Dick Surgeon- “He's a…year
(Encyclopedia) year, time required for the earth to complete one orbit about the sun. The solar or tropical year is measured relative to the sun and is equal to 365 days, 5 hr, 48 min, 46 sec of mean…tone
(Encyclopedia) tone. In music, a tone is distinguished from noise by its definite pitch, caused by the regularity of the vibrations which produce it. Any tone possesses the attributes of pitch,…kelvin
(Encyclopedia) kelvin, abbr. K, official name in the International System of Units (SI) for the degree of temperature as measured on the Kelvin temperature scale.arc, in geometry
(Encyclopedia) arc, in geometry, a curved line or any part of it; in particular, a portion of the circumference of a circle. The length s of an arc of a circle of radius r and subtending a central…azimuth
(Encyclopedia) azimuthazimuthăzˈəməth [key], in astronomy, one coordinate in the altazimuth coordinate system. It is the angular distance of a body measured westward along the celestial horizon from…electromotive force
(Encyclopedia) electromotive force, abbr. emf, difference in electric potential, or voltage, between the terminals of a source of electricity, e.g., a battery from which no current is being drawn.…Trending
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