coarser

[kawr-ser, kohr-] Origin

coars·er

[kawr-ser, kohr-]
adjective Mathematics.
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.
Compare finer.


Origin:
coarse + -er4

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Coarser is always a great word to know.
So is infinity. Does it mean:
the assumed limit of a sequence or series that increases without bound; infinite distance
problem solving defined only for an isolated set of points, using only arithmetic and algebra; not involving calculus
Dictionary.com Unabridged

coarse

[kawrs, kohrs]
adjective, coars·er, coars·est.
1.
composed of relatively large parts or particles: The beach had rough, coarse sand.
2.
lacking in fineness or delicacy of texture, structure, etc.: The stiff, coarse fabric irritated her skin.
3.
harsh; grating.
4.
lacking delicacy, taste, or refinement; unpolished: He had coarse manners but an absolutely first-rate mind.
5.
of inferior or faulty quality; common; base.
EXPAND
6.
vulgar; obscene; crude: His coarse language angered us.
7.
(of metals) unrefined.
8.
(of a metal file) having the maximum commercial grade of coarseness.
COLLAPSE

Origin:
1550–60; earlier cors(e), course, cowarce; of obscure origin

coarse·ly, adverb
coarse·ness, noun
un·coarse, adjective
un·coarse·ly, adverb
un·coarse·ness, noun

coarse, course, curse, cuss.


2, 4. crude, rude, rough. 4. vulgar, gross, crass. 6. indelicate.


4. refined, sensitive.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To coarser
Etymonline
Word Origin & History

coarse
1424, cors "ordinary," probably adj. use of noun cours (see course), originally referring to rough cloth for ordinary wear. Developed a sense of "rude" c.1510 and "obscene" 1711. Perhaps related, via metathesis, to Fr. gros, which had a similar sense development.
Online Etymology Dictionary, © 2010 Douglas Harper
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