Pronunciation: (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.
Pronunciation: (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.