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.
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

British Dictionary definitions for coarser

coarse
/ (kɔːs) /

adjective

rough in texture, structure, etc; not fine coarse sand
lacking refinement or taste; indelicate; vulgar coarse 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, adverb coarseness, noun

Word Origin for coarse

C14: of unknown origin