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pericenter

[per-uh-sen-ter] /ˈpɛr əˌsɛn tər/
noun, Astronomy.
1.
the point at which a heavenly body orbiting around a primary other than the earth or sun is closest to the primary.
Compare apocenter.
Origin of pericenter
1900-1905
1900-05; peri- + center
Related forms
pericentral, pericentric, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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