Brocken specter
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Related to Brocken spectre: Green flash, broken spectre
Brocken specter
[′bräk·ən ‚spek·tər] (meteorology)
The illusory appearance of a gigantic figure (actually, the observer's shadow projected on cloud surfaces), observed on the Brocken peak in the Hartz Mountains of Saxony, but visible from other mountaintops under suitable conditions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.