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Definitions

porous

[pawr-uhs, pohr-] / ˈpɔr əs, ˈpoʊr- /
ADJECTIVE
having holes; absorbent
Synonyms
Antonyms


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.

"We've got to be more open and porous and respectful of different points of view."

From BBC • Feb. 12, 2026

To use as a metal, titanium ore has to be turned into a porous form called sponge — the U.S. imports over 95% of that.

From MarketWatch • Feb. 12, 2026

The border in the area is porous and poorly demarcated, which contributed to Lebanese nationals settling in Syria and facilitated the smuggling for which the region is known.

From Barron's • Feb. 5, 2026

Particles emitted from a fusion plasma will erode the reactor wall, contaminating the plasma and rendering most known materials brittle and porous within months.

From The Wall Street Journal • Dec. 28, 2025

Around the time that Shin and Park were formulating their escape plan, the North Korean government concluded that the border had become far too porous and posed a threat to internal security.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden




Vocabulary lists containing porous