单词 | angstrom |
释义 | angstrom[ ang-struhm ] / ˈæŋ strəm / noun (often initial capital letter)a unit of length, equal to one tenth of a millimicron, or one ten millionth of a millimeter, primarily used to express electromagnetic wavelengths. Symbol: Å; Abbreviation: A Also called angstrom unit, Angstrom unit. Origin of angstromFirst recorded in 1895–1900; named after A. J. Ångström Words nearby angstromAngrboda, angrily, angry, angry young man, angst, angstrom, Ångstrom unit, angsty, Anguier, Anguilla, anguilliform Definition for angstrom (2 of 2)Ångström [ ang-struhm; Swedish awng-strœm ] / ˈæŋ strəm; Swedish ˈɔŋ strœm / nounAn·ders Jo·nas [an-derz -joh-nuhs; Swedish ahn-duhrs-yoo-nahs], /ˈæn dərz ˈdʒoʊ nəs; Swedish ˈɑn dərsˈyu nɑs/, 1814–74, Swedish astronomer and physicist. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for angstrom
British Dictionary definitions for angstrom (1 of 2)angstrom / (ˈæŋstrʌm, -strəm) / nounAlso called: angstrom unit a unit of length equal to 10 –10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometreSymbol: Å, A Word Origin for angstromC20: named after Anders J. Ångström British Dictionary definitions for angstrom (2 of 2)Ångström / (ˈæŋstrəm, Swedish ˈɔŋstrœm) / nounAnders Jonas (ˈandərs ˈjuːnas). 1814–74, Swedish physicist, noted for his work on spectroscopy and solar physics Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for angstromangstrom n.A unit of length equal to one hundred millionth (10-8) of a centimeter, used especially to specify radiation wavelengths. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for angstrom (1 of 2)angstrom [ ăng′strəm ] A unit of length equal to one hundred-millionth (10-10) of a meter. It was once used to measure wavelengths of light and the diameters of atoms, but has now been mostly replaced by the nanometer. Scientific definitions for angstrom (2 of 2)Ångström [ ăng′strəm ] Swedish physicist and astronomer who pioneered the use of the spectroscope in the analysis of radiation. By studying the spectrum of visible light given off by the Sun, Ångström discovered that there is hydrogen in the Sun's atmosphere. The angstrom unit of measurement is named for him. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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