critical absorption wavelength

critical absorption wavelength

[′krid·ə·kəl əb′sȯrp·shən ′wāv‚leŋkth]
(spectroscopy)
The wavelength, characteristic of a given electron energy level in an atom of a specified element, at which an absorption discontinuity occurs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.