coarser

American  

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

adjective

Mathematics.

1. 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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Etymology

Origin of coarser

coarse + -er ⁴

Example Sentences

The coarser material on top appeared to result from a subsequent event along the nearby San Andreas fault.

From Science Daily • May 2, 2026

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

Even the colder, coarser revival that opened Thursday at the Nederlander Theater, long since rebranded as “The Who’s Tommy,” offers the excitement of big, poppy belting.

From New York Times • Mar. 28, 2024

That allowed the model to simulate the fine-scale atmospheric processes that give rise to clouds, which in coarser models have to be estimated.

From Science Magazine • Nov. 16, 2023

Instead of saying ba-ka-ta-re, a common insult meaning stupid, Terminal Islanders would say ba-ka-ya-ro, a coarser and exclusively masculine use of the word, which implies gross stupidity.

From "Farewell to Manzanar" by Jeanne Houston