from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See centrosphere.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The central core of the Earth.

from the GNU version of the Collaborative International Dictionary of English

  • n. The heavy interior portion of the earth, within the lithosphere.

from The Century Dictionary and Cyclopedia

  • n. The earth's interior, an inner core known to be of greater density than the crust: so named from this property.


Greek barus, heavy; see gwerə-1 in Indo-European roots + sphere.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Greek barus 'heavy' + sphere. (Wiktionary)


Sorry, no example sentences found.


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