Permeablility to water or air Consider the porosity of a wall surface before applying a primer-sealer If it is very porous, seal the wall with an oil-based sealer or a pigmented acrylic primer-sealer Also consider the porosity of the wallpaper substrate If it is very absorbent, a second application of adhesive may be required
1) Degree to which soil, gravel, sediment or rock is permeated with pores or cavities through which water or air can move 2) The ratio of the volume of the openings in a rock to the total volume of the rock
A condition of trapped pockets of air, gas, or vacuum within a solid material, usually expressed as a percentage of the total nonsolid volume to the total volume (solid plus nonsolid) of a unit quantity of material
The ratio of pore volume to total volume of the soil Sandy soils have large pores and a higher porosity than clays and other fine-grained soils
The ratio of the volume of voids to the total volume of a rock or unconsolidated material It is a measure of the amount of empty 'space' in a material See permeability
Licentious painting or literature; especially, the painting anciently employed to decorate the walls of rooms devoted to bacchanalian orgies
A measure of the number and size of the spaces between each particle in a rock Porosity affects the amount of liquid and gases, such as natural gas and crude oil, that a given reservoir can contain
The degree to which growing media has contains open spaces These spaces, or pores, are essential to holding water (water-holding porosity) and allowing gas exchange (aeration porosity) in plants' root zones
The volume of the pore space expressed as a percent of the total volume of the rock mass
In geology, a descriptive term describing the percentage of any rock which contains open space
Percentage of the total volume of a soil not occupied by solid particles by air and/or water
The degree to which the total volume of soil, gravel, sediment, or rock is permeated with pores or cavities through which fluids (including air) can move
The property of paper that allows the permeation of air, an important factor in ink penetration
a measure of the water-bearing capacity of subsurface rock With respect to water movement, it is not just the total magnitude of porosity that is important, but the size of the voids and the extent to which they are interconnected, as the pores in a formation may be open, or interconnected, or closed and isolated For example, clay may have a very high porosity with respect to potential water content, but it constitutes a poor medium as an aquifer because the pores are usually so small
Of or pertaining to pornography; lascivious; licentious; as, pornographic writing
- The porosity of a soil is the percentage of the soil volume not occupied by soil solids
The coarse-grained brownish yellow wood of a small tree (Pisonia obtusata) of Florida and the West Indies
The volume of water that can be held within a rock or soil Usually expressed as a ratio of the volume of the pores (voids) to the total volume of the material
Fraction of bulk volume of a material consisting of pore space Porosity determines the capacity of a rock formation to absorb and store ground water