Dictionary![]() ![]() ang•stromPronunciation: (ang'strum), [key] —n. (often cap.) 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; Abbr.: A Also called ang'strom u"nit, Ang'strom u"nit. Ång•strömPronunciation: (ang'strum; Swed. ông'strœm), [key] —n. An•ders Jo•nas Pronunciation: (an'durz jō'nus; Swed. än'durs-yOO'näs), [key] 1814–74, Swedish astronomer and physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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