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 (pə-rŏs′ĭ-tē, pô-)
n. pl. po·ros·i·ties
1. The state or property of being porous.
2. A structure or part that is porous.
3. The ratio of the volume of all the pores in a material to the volume of the whole.

[Middle English porosite, from Old French, from Medieval Latin porōsitās, from porōsus, porous; see porous.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -ties
1. the state or condition of being porous
2. (Geological Science) geology the ratio of the volume of space to the total volume of a rock
[C14: from Medieval Latin porōsitās, from Late Latin porus pore2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pɔˈrɒs ɪ ti, poʊ-, pə-)

n., pl. -ties.
1. the state or quality of being porous.
2. (in rock or other natural material) the ratio of aggregated pore space to the volume of the entire mass: used as a measure of the amount of fluid, as oil, that a geologic stratum might hold.
[1350–1400; Middle English porosytee < Medieval Latin porōsitās. See porous, -ity]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.porosity - the property of being porous; being able to absorb fluids
consistency, eubstance, consistence, body - the property of holding together and retaining its shape; "wool has more body than rayon"; "when the dough has enough consistency it is ready to bake"
sponginess - the porosity of a sponge
permeability, permeableness - the property of something that can be pervaded by a liquid (as by osmosis or diffusion)
solidity, solidness - the consistency of a solid
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[pɔːˈrɒsɪtɪ] Nporosidad f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005


n (of rocks, substance)Porosität f; (of skin)Porigkeit f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
These porous rocks serve as a reservoir for th scanty rain-water; and consequently on the line where th igneous and sedimentary formations unite, some smal springs (most rare occurrences in Patagonia) burst forth and they could be distinguished at a distance by the circumscribed patches of bright green herbage.
However, they had no idea what lay beneath - a huge resevoir trapped in porous rock, which may stretch from Massachusetts to southern New Jersey, about 220 miles.
The caves are a series of grottoes gouged out of the porous rock by the restless sea.
Instead of gravel and cement, the eco-concrete developed by the UP students used recycled materials such as fly ash and waste glass combined with pozzolanic tuff, a common type of porous rock found within and around the university campus in Quezon City.
and Loret, B.: 2002, Mechanical amage of an anisotropic porous rock in cyclic triaxial tests.
This holiday destination hides a deadly secret, much of the state sits on porous rock that is easily eroded and prone to collapse, leading to 1700 sinkholes a year.
Using orbiter radar, they recently narrowed its composition down to two main possibilities: porous rock or kilometers-thick ice covered by ash.
You burn a lot of gas during those processes and produce carbon dioxide." Typically, with CCS the carbon dioxide is injected several kilometres below the surface into porous rock where it can be safely stored deep underground for millions of years.
Targeted toward kids in kindergarten through eighth grade and their families, the event will include two virtual reality scenes, robotics, an escape room a burning porous rock demonstration, an interactive natural gas safety game, circuits, motors, a Lego wall and math games and more.
The flakiness of the porous rock is also clearly visible and, like a sand castle, in a continuous state of erosion.
In the paper also the way for determination of the impact of type of roof rocks on nonlinear distribution of permeability in porous rock medium was described.