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.

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centrosphere British  

/ ˈsɛntrəˌsfɪə /

noun

1. a former name for core

2. another name for centrosome

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Etymology

Origin of centrosphere

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

Example Sentences

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

Or when his admirers, anxious to improve on this, after distinguishing the atmosphere or air, the hydrosphere or water, the lithosphere or crust, and the centrosphere or interior mass, proceed to add that man is the most active portion of an intermittent biosphere, or living envelope of our planet, I cannot feel that the last word has been said about him.

From Project Gutenberg