Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
The coloration exhibited by iridescent clouds and at times along the borders of lenticular clouds.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The appearance of the rainbowlike colors that are occasionally observed in high clouds. Also called iridescence.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved