base peak
(redirected from base peak in a mass spectrum)Also found in: Medical.
base peak
[′bās ‚pēk] (spectroscopy)
The tallest peak in a mass spectrum; it is assigned a relative intensity value of 100, and lesser peaks are reported as a percentage of it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.