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Meaning of coarser

coars•er

Pronunciation: (kôr'sur, kōr'-), [key]
— adj. Math.
  1. of or pertaining to a topology on a topological space whose open sets are included among the open sets of a second specified topology on the space. Cf. finer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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