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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.]


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]


(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]
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


[pɔːˈrɒsɪtɪ] Nporosidad f


n (of rocks, substance)Porosität f; (of skin)Porigkeit f
References in periodicals archive ?
Five (5) samples of each type of plaster were prepared according to ASTM C293-02 for flexural test and ASTM C373-88 for porosity and water absorption test.
This study is intended to build a stratigraphic architecture through demarcation of potentially prospective zones through porosity prediction using the Artificial Neural Network.
The Mongongo & Hemp Seed Oils High Porosity Collection and the Baobab & Tea Tree Oils Low Porosity Collection are available at Target Corp.
Mongongo & Hemp Seed Oils High Porosity Collection and Baobab & Tea Tree Oils Low Porosity Collection, filling a void in the marketplace for products that address hair porosity--the rate at which hair absorbs and retains moisture.
Based on the knowledge that rain and the intensive tillage practices applied in agricultural areas are the main factors leading to the degradation of soil structure and that soil structure is an important indicator of soil quality, this study aimed to monitor and evaluate porosity modifications in surface crusts in three types of soil under erosive rainfall events.
Therefore, in this paper effects of porosity and hydraulic conductivity coefficient were investigated.
The gases dissolved during solidification can be caused by hydrogen or nitrogen in the initial liquid or core gas decomposed from the sand core and vented to the liquid, and they play a major role in porosity formation in castings.
The amount of porosity within parts produced via AM is an area of interest in the AM community.
A study of the porosity and formation structure of the Duperow Formation can reveal new locations that will be most conducive to future oil extraction.
Porosity is one of the most principal issues in evaluating petroleum reserves.
These flaws are typically porosity and delaminations.
Intergranular spaces influence the porosity, presence and transport of the liquid phase inside the rock.