| a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space |
| a cloud of interstellar gas and dust that appears hazy, or fuzzy, and extended in a telescope view |
flocculus (ˈflɒkjʊləs) ![]() | |
| —n , pl -li | |
| 1. | 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 |
| 2. | anatomy a tiny ovoid prominence on each side of the cerebellum |
| 3. | another word for floccule |
flocculus floc·cu·lus (flŏk'yə-ləs)
n. pl. floc·cu·li (-lī')
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.