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scale, in weights and measures
(Encyclopedia)scale, in weights and measures, instruments for determining weight, generally for other than laboratory use. For the principles of operation of all weighing devices, see balance. Platform scales utili...International Union of Pure and Applied Chemistry
(Encyclopedia)International Union of Pure and Applied Chemistry (IUPAC), an international organization est. 1919 to advance the chemical sciences and contribute to the application of chemistry to the service of hum...Commerce, United States Department of
(Encyclopedia)Commerce, United States Department of, federal executive department charged with promoting U.S. economic development and technological advancement. In Feb., 1903, the Congress established a Department...English units of measurement
(Encyclopedia)English units of measurement, principal system of weights and measures used in a few nations, the only major industrial one being the United States. It actually consists of two related systems—the U...Mendeleev, Dmitri Ivanovich
(Encyclopedia)Mendeleev, Dmitri Ivanovich mĕndəlāˈəf, Rus. dəmēˈtrē ēväˈnəvĭch myĭndyĭlyāˈəf [key], 1834–1907, Russian chemist. He is famous for his formulation (1869) of the periodic law and t...Priscian
(Encyclopedia)Priscian (Priscianus Caesariensis) prĭshˈən [key], fl. 500, Latin grammarian, b. Caesarea in Mauretania. Priscian taught grammar at Constantinople. His Commentarii grammatici, in 18 books, was long...candle, unit of luminous intensity
(Encyclopedia)candle, in weights and measures, unit of luminous intensity; it is defined as 1⁄60 of the intensity of a blackbody, or ideal radiator, at the temperature at which platinum solidifies (2,046K). The...Guillaume, Charles Édouard
(Encyclopedia)Guillaume, Charles Édouard shärl ādwärˈ gēyōmˈ [key], 1861–1938, Swiss physicist and metrologist, Ph.D. Zürich Polytechnic (now the Federal Institute of Technology), 1882. Guillaume joined ...Saint-Cloud
(Encyclopedia)Saint-Cloud săN-klo͞oˈ [key], town (1990 est. pop. 28,673), Hauts-de-Seine dept., N central France, a suburb W of Paris on the Seine River. It is a residential town and resort, with a famous racetr...molecular weight
(Encyclopedia)molecular weight, weight of a molecule of a substance expressed in atomic mass units (amu). The molecular weight may be calculated from the molecular formula of the substance; it is the sum of the ato...Browse by Subject
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