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centrosphere

American  
[sen-truh-sfeer] / ˈsɛn trəˌsfɪər /

noun

  1. Cell Biology. the protoplasm around a centrosome; the central portion of an aster, containing the centrosome.

  2. Also called barysphere.  Geology. the central or interior portion of the earth.

centrosphere British  
/ ˈsɛntrəˌsfɪə /

noun

  1. a former name for core

  2. another name for centrosome

"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

Etymology

Origin of centrosphere

First recorded in 1895–1900; centro- + -sphere

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The attraction-spheres are generally large and conspicuous, sometimes consisting of a well-developed centrosphere, with or without centrosomic granules, at other times of very large centrosomes with a few astral rays.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.