- Astronomy. one of the bright or dark patches on the sun's surface, visible in a spectroheliogram.
Origin of flocculus
From New Latin, dating back to 1790–1800; see origin at floccule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for flocculus
- a marking on the sun's surface or in its atmosphere, as seen on a spectroheliogram. It consists of calcium when lighter than the surroundings and of hydrogen when darker
- anatomy a tiny ovoid prominence on each side of the cerebellum
- another word for floccule
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A small fluffy mass or tuft.
- Either of a pair of small lobes on the posterior border of the cerebellum, forming part of the vestibular part of the cerebellum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.