coarser

American

[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.

Etymology

Origin of coarser

coarse + -er ⁴

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They’re small, the colors are garish, and they’re coarser in feeling than the work for which he is best known.

From The Wall Street Journal • Jan. 24, 2026

The scope of SinoProbe II—successor to SinoProbe I, a coarser survey that ran from 2008–16—“is mind-boggling,” says Larry Brown, a geophysicist at Cornell University.

From Science Magazine • Nov. 17, 2024

Less electricity was produced when coffee had a higher internal moisture content and when coffee was ground at a coarser setting.

From Science Daily • Dec. 6, 2023

With dramatic cliffs, sea lions and coarser darker sand, it was a drastically different world and such a different kind of beautiful from where we live along the bay in Coastal Alabama.

From Salon • Apr. 15, 2023

By the vibrations, he learned also that the road had grown coarser.

From "Pax" by Sara Pennypacker

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023