trochoidal mass analyzer

trochoidal mass analyzer

[trə′kȯid·əl ′mas ′an·ə‚līz·ər]
(physics)
A mass spectrometer in which the ion beams traverse trochoidal paths within mutually perpendicular electric and magnetic fields.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.