Similar words: rigorousness, dangerousness, joyousness, callousness, perviousness, seriousness, anxiousness, nervousness. Meaning: ['pɔːrəsnɪs] 
n. the property of being porous; being able to absorb fluids.
n. the property of being porous; being able to absorb fluids. 
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1. Spongy Resembling a sponge in elasticity, absorbency, or porousness.
2. The porousness of snow makes it absorb sound.
3. New regionalism is characterized by its openness or porousness . It has a totally different political logic from old regionalism.
4. It is obtained from test that the Rare - earth additives can improve the adhesive strength, decrease porosity, make porousness smaller, therefor, raise the properties of the arc spraying coatings.
5. Afghan politician and former MP Daoud Sultanzai told the BBC that the escape exposes "the porousness of our security apparatus".
More similar words: rigorousness, dangerousness, joyousness, callousness, perviousness, seriousness, anxiousness, nervousness, viciousness, hideousness, tediousness, deviousness, arduousness, graciousness, covetousness, imperiousness, cautiousness, imperviousness, outrageousness, consciousness, impetuousness, ingenuousness, righteousness, perniciousness, scrupulousness, meticulousness, gregariousness, capriciousness, ridiculousness, superciliousness.