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Meaning of postmeridian

post•me•rid•i•an

Pronunciation: (pōst"mu-rid'ē-un), [key]
— adj.
  1. of or pertaining to the afternoon.
  2. occurring after noon: a postmeridian lull.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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