[ sahy-kloh-sis ]
/ saɪˈkloʊ sɪs /

noun, plural cy·clo·ses [sahy-kloh-seez] /saɪˈkloʊ siz/. Biology.

the movement of protoplasm within a cell.

Origin of cyclosis

First recorded in 1825–35, cyclosis is from the Greek word kýklōsis an encircling. See cycl-, -osis

Related forms

pseu·do·cy·clo·sis, noun, plural pseu·do·cy·clo·ses. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cyclosis


/ (saɪˈkləʊsɪs) /

noun plural -ses (-siːz)

biology the circulation of cytoplasm or cell organelles, such as food vacuoles in some protozoans

Word Origin for cyclosis

C19: from Greek kuklōsis an encircling, from kukloun to surround, from kuklos circle
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

Medicine definitions for cyclosis


[ sī-klōsĭs ]

n. pl. cy•clo•ses (-sēz)

The streaming rotary motion of protoplasm within certain cells and one-celled organisms.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.