Porosity

Porosity

A measure of the volume of internal pores, or voids, in ion exchangers and philtre media; sometimes expressed as a ratio to the total volume of the medium.

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Part of Speech: noun
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Industry/Domain: Construction
Category: Plumbing
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Related terms

porosity

Building materials; Concrete

The ratio of the volume of voids in the material to the total volume of the material, including the voids, usually expressed as a percentage.

porosity

Weather; Meteorology

The volume of void space per total volume. See'' also'' void ratio.

porosity

Industrial machinery; Industrial lubricants

The ratio of pore volume to total volume of a filter medium expressed as a percent.

porosity

Astronomy; Planetary science

The percentage of the total volume of rock or soil that consists of open spaces. (The space between particles is called pore space. )

porosity

Printing & publishing; Paper

The degree to which a paper will allow the permeation of air, gas, or liquid, determined by the compactness of its fibers.

cistern

Construction; Architecture; Building/real property; Carpentry; Demolition/excavation

water recipient like a well or a tank

acrylic

Construction; Plumbing

A thermoplastic (heat activated) used on the surfaces of bathtubs and whirlpools. It usually comes in sheets and is backed by fiberglass to form waterproof shower walls.

adaptor

Construction; Plumbing

A fitting that unites different types of pipe together, for example: ABS (Aristocraft bristone styrine) to cast iron pipe.

alkalinity

Construction; Plumbing

The measurement of constituents in a water supply which determine alkaline conditions. The alkalinity of water is a measure of its capacity to neutralize acids, also referred to ...

aerator

Construction; Plumbing

A device screwed into the end of a faucet spout that mixes air into flowing water, and controls flow to reduce splashing. It sometimes contains a baffle to reduce flow to 2.5 gpm.

acidity

Construction; Plumbing

The level of concentration of acid in water. Acid will neutralize an alkali or base. It is usually expressed in terms of its calcium carbonate equivalent .