coarser

[ kawr-ser, kohr- ]
/ ˈkɔr sər, ˈkoʊr- /

adjective Mathematics.

of or relating to a topology on a topological space whose open sets are included among the open sets of a second specified topology on the space.

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decorum
Compare finer.

Origin of coarser

Definition for coarser (2 of 2)

coarse
[ kawrs, kohrs ]
/ kɔrs, koʊrs /

adjective, coars·er, coars·est.

Origin of coarse

First recorded in 1550–60; earlier cors(e), course, cowarce; of obscure origin

SYNONYMS FOR coarse

ANTONYMS FOR coarse

OTHER WORDS FROM coarse

WORDS THAT MAY BE CONFUSED WITH coarse

coarse course curse
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for coarser

coarse
/ (kɔːs) /

adjective

rough in texture, structure, etc; not finecoarse sand
lacking refinement or taste; indelicate; vulgarcoarse jokes
of inferior quality; not pure or choice
(of a metal) not refined
(of a screw) having widely spaced threads

Derived forms of coarse

coarsely, adverbcoarseness, noun

Word Origin for coarse

C14: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012