standard gravity
51acceleration of gravity — Date: circa 1889 the acceleration of a body in free fall under the influence of earth s gravity expressed as the rate of increase of velocity per unit of time and assigned the standard value of 980.665 centimeters per second per second called… …
52acceleration of gravity — n. the gravitational acceleration of a freely falling object, expressed in terms of the rate of increase of velocity per second: on earth 980.665 cm (32.17 ft) per second per second is the standard: abbrev. g …
53specific gravity — n. the ratio of the weight or mass of a given volume of a substance to that of an equal volume of another substance (water for liquids and solids, air or hydrogen for gases) used as a standard …
54specific gravity — specif′ic grav′ity n. phs the ratio of the density of any substance to the density of a standard substance, water being the standard for liquids and solids • Etymology: 1660–70 spe•cif′ic grav′i•ty, adj …
55specific gravity — /spəˌsɪfɪk ˈgrævəti/ (say spuh.sifik gravuhtee) noun the ratio of the mass of a given volume of any substance to that of the same volume of some other substance taken as a standard, water being the standard for solids and liquids, and hydrogen or …
56specific gravity — noun Date: 1660 the ratio of the density of a substance to the density of some substance (as pure water) taken as a standard when both densities are obtained by weighing in air …
57SPECIFIC GRAVITY — the weight of a body compared with another of equal bulk taken as a standard, such as the weight of a cubic inch of water …
58international standard atmosphere — Atmosphere in which the sea level pressure is 1013.25 hectopascals, temperature is 15°C, air density is 0.002378 slugs/ft3 or 1.225 kg/m3 , acceleration due to gravity is 32.174 ft/s2 (9.809 m/s2 ), and the speed of sound is 761 mph, or 1116.4… …
59specific gravity — The ratio of the weight of a substance to that of an equal volume of another substance used as a standard. Ohio Oil Co. v Conway, 281 US 146, 74 L Ed 775, 50 S Ct 310 …
60Weight — This article is about the physical concept. For other uses, see Weight (disambiguation). A spring scale measures the weight of an object (according to the operational definition) …
