porous

[ pawr-uhs, pohr- ]

/ ˈpɔr əs, ˈpoʊr- /

SEE SYNONYMS FOR porous ON THESAURUS.COM

adjective

full of pores.

permeable by water, air, etc.

Origin of porous

1350–1400; Middle English, variant of porose<Medieval Latin porōsus.See pore², -ous

SYNONYMS FOR porous

2 penetrable, pervious, sievelike, riddled.

SEE SYNONYMS FOR porous ON THESAURUS.COM

OTHER WORDS FROM porous

po·rous·ly, adverbpo·rous·ness, nounnon·po·rous, adjectivenon·po·rous·ness, noun

un·po·rous, adjectiveun·po·rous·ness, noun

Words nearby porous

poroma, poromeric, porosis, porosity, porotomy, porous, porphin, porphobilin, porphobilinogen, porphyria, porphyria cutanea tarda

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for porous

Our porous borders are seen as a midterm election play-to-the-base appeal instead of a problem to be solved.
Border Kids Crisis—Impotent Congress|John Avlon|July 10, 2014|DAILY BEAST
The Brazilian defense, touted as impenetrable in pre-tournament hype, proved to be bedraggled, and porous.
Brazil Slips Past Croatia, Thanks to Yuichi Nishimura|Tunku Varadarajan|June 12, 2014|DAILY BEAST
“The world is porous and full of holes…so you just find the cracks,” Austin says slyly.
A Most Illegal Adventure with New York City’s Wildest Underground Event Planners|Nina Strochlic|December 16, 2013|DAILY BEAST
Among the biggest problems is the porous border Afghanistan shares with Pakistan.
David Sanger’s ‘Confront and Conceal’: 5 Revelations in Obama’s Wars|Matthew DeLuca|June 6, 2012|DAILY BEAST

Their house, which has never been painted, is sagging and rotted and porous.
American Dreams: ‘Tobacco Road’ by Erskine Caldwell|Nathaniel Rich|April 30, 2012|DAILY BEAST
The surface is porous; the cells are distant and arranged irregularly, and seem as if composed of sand cemented with mud.
The Sea-beach at Ebb-tide|Augusta Foote Arnold
But meteor detectors are built to look for solid chunks of metal and rock—not thin, porous bits of cloth.
Hanging by a Thread|Gordon Randall Garrett
Use a porous soil for Camellias, with considerable leaf-mold.
The Practical Garden-Book|C. E. Hunn
It is finally baked, as has been said, to stop fermentation and preserve the porous character of the bread.
The Library of Work and Play: Housekeeping|Elizabeth Hale Gilman
It may be deposited by electrolysis as in nickel plating, but the zinc coating is more apt to be porous.
Creative Chemistry|Edwin E. Slosson

British Dictionary definitions for porous

porous

/ (ˈpɔːrəs) /

adjective

permeable to water, air, or other fluids

biology geology having pores; poriferous

easy to cross or penetratethe porous border into Thailand; the most porous defence in the league

Derived forms of porous

porously, adverbporousness, noun

Word Origin for porous

C14: from Medieval Latin porōsus, from Late Latin porus pore ²

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for porous

porous

[ pôr′əs ]

adj.

Full of or having pores.

Admitting the passage of gas or liquid through pores.

Other words from porous

po′rous•ness n.

Scientific definitions for porous

porous

[ pôr′əs ]

Having many pores or other small spaces that can hold a gas or liquid or allow it to pass through.

单词	porous
释义	porous [ pawr-uhs, pohr- ] / ˈpɔr əs, ˈpoʊr- / SEE SYNONYMS FOR porous ON THESAURUS.COM adjective full of pores. permeable by water, air, etc. Origin of porous 1350–1400; Middle English, variant of porose<Medieval Latin porōsus.See pore², -ous SYNONYMS FOR porous 2 penetrable, pervious, sievelike, riddled. SEE SYNONYMS FOR porous ON THESAURUS.COM OTHER WORDS FROM porous po·rous·ly, adverbpo·rous·ness, nounnon·po·rous, adjectivenon·po·rous·ness, noun un·po·rous, adjectiveun·po·rous·ness, noun Words nearby porous poroma, poromeric, porosis, porosity, porotomy, porous, porphin, porphobilin, porphobilinogen, porphyria, porphyria cutanea tarda Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for porous Our porous borders are seen as a midterm election play-to-the-base appeal instead of a problem to be solved. Border Kids Crisis—Impotent Congress\|John Avlon\|July 10, 2014\|DAILY BEAST The Brazilian defense, touted as impenetrable in pre-tournament hype, proved to be bedraggled, and porous. Brazil Slips Past Croatia, Thanks to Yuichi Nishimura\|Tunku Varadarajan\|June 12, 2014\|DAILY BEAST “The world is porous and full of holes…so you just find the cracks,” Austin says slyly. A Most Illegal Adventure with New York City’s Wildest Underground Event Planners\|Nina Strochlic\|December 16, 2013\|DAILY BEAST Among the biggest problems is the porous border Afghanistan shares with Pakistan. David Sanger’s ‘Confront and Conceal’: 5 Revelations in Obama’s Wars\|Matthew DeLuca\|June 6, 2012\|DAILY BEAST Their house, which has never been painted, is sagging and rotted and porous. American Dreams: ‘Tobacco Road’ by Erskine Caldwell\|Nathaniel Rich\|April 30, 2012\|DAILY BEAST The surface is porous; the cells are distant and arranged irregularly, and seem as if composed of sand cemented with mud. The Sea-beach at Ebb-tide\|Augusta Foote Arnold But meteor detectors are built to look for solid chunks of metal and rock—not thin, porous bits of cloth. Hanging by a Thread\|Gordon Randall Garrett Use a porous soil for Camellias, with considerable leaf-mold. The Practical Garden-Book\|C. E. Hunn It is finally baked, as has been said, to stop fermentation and preserve the porous character of the bread. The Library of Work and Play: Housekeeping\|Elizabeth Hale Gilman It may be deposited by electrolysis as in nickel plating, but the zinc coating is more apt to be porous. Creative Chemistry\|Edwin E. Slosson British Dictionary definitions for porous porous / (ˈpɔːrəs) / adjective permeable to water, air, or other fluids biology geology having pores; poriferous easy to cross or penetratethe porous border into Thailand; the most porous defence in the league Derived forms of porous porously, adverbporousness, noun Word Origin for porous C14: from Medieval Latin porōsus, from Late Latin porus pore ² Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to porous penetrable, permeable, pervious, spongy, absorptive, spongelike Medical definitions for porous porous [ pôr′əs ] adj. Full of or having pores. Admitting the passage of gas or liquid through pores. Other words from porous po′rous•ness n. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for porous porous [ pôr′əs ] Having many pores or other small spaces that can hold a gas or liquid or allow it to pass through. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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porous

adjective

Origin of porous

SYNONYMS FOR porous

OTHER WORDS FROM porous

Words nearby porous

Example sentences from the Web for porous

British Dictionary definitions for porous

adjective

Derived forms of porous

Word Origin for porous

Words related to porous

Medical definitions for porous

adj.

Other words from porous

Scientific definitions for porous