porosity

[ paw-ros-i-tee, poh-, puh- ]

noun

, plural po·ros·i·ties

1. the state or quality of being porous.
2. Geology, Engineering. the ratio, expressed as a percentage, of the volume of the pores pore or interstices of a substance, as a rock or rock stratum, to the total volume of the mass.

porosity

/ pɔːˈrɒsɪtɪ /

noun

1. the state or condition of being porous
2. geology the ratio of the volume of space to the total volume of a rock

porosity

/ pə-rŏs′ĭ-tē,pô- /

1. The condition of being porous.
2. The ratio of the volume of all the pores in a material to the volume of the whole.

Word History and Origins

Origin of porosity¹

First recorded in 1350–1400; Middle English porosytee, from Medieval Latin porōsitās ; porous, -ity

Word History and Origins

Origin of porosity¹

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

Example Sentences

“You can see there's a lot of porosity.”

From BBC

She then paired these historic specimens with modern samples from the same sites and conducted a series of comparisons including the thickness of the shells, their surface area and volume, and density and porosity.

From Science Daily

Finally, each device is coated in zinc oxide nanowires which give the emitter a level of porosity that enables it to effectively filter and transport liquids.

From Science Daily

They also noted that the porosity of the aggregate likely contributes to the paraffin remaining a liquid below its usual freezing temperature of 42 degrees Fahrenheit.

From Science Daily

During unstable keyhole regimes, when the molten powder pool delves deeper than intended, it can create pockets of porosity, culminating in structural flaws in the end product.

From Science Daily