definitions
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pericenter

[ per-uh-sen-ter ]
/ ˈpɛr əˌsɛn tər /

noun Astronomy.

the point at which a heavenly body orbiting around a primary other than the earth or sun is closest to the primary.

Nearby words

pericarditis obliterans, pericardium, pericarp, pericementitis, pericementum, pericenter, pericentre, perichaetial, pericholangitis, perichondral bone, perichondritis
Compare apocenter.

Origin of pericenter

First recorded in 1900–05; peri- + center
Related formsper·i·cen·tral, per·i·cen·tric, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019