释义 |
ang·strom \ˈaŋztrəm, ˈaiŋ-, -ŋst- sometimes ˈȯŋ-\ noun or angstrom unit (-s) Etymology: after Anders J. Ångström died 1874 Swedish physicist : either of two units of wavelength: a. : one ten-billionth of a meter — called also absolute angstrom b. : the wavelength of the red spectrum line of cadmium divided by 6438.4696 — called also international angstrom |