Origin of porousMiddle English from Medieval Latin porosus from Classical Latin porus, pore
The definition of porous is a material that is able to easily absorb fluids or allow liquid to pass through.
A material through which liquid can easily pass is an example of a porous material.
- Admitting the passage of gas or liquid through pores or interstices.
- Easily crossed or penetrated: a porous border.
Origin of porousMiddle English from Old French poreux, poros from Medieval Latin porōsus from Latin porus passage ; see pore 2.
Having many pores or other small spaces that can hold a gas or liquid or allow it to pass through.
(comparative more porous, superlative most porous)
- The porous soil absorbs the moisture, and fresh water is scarce.
- Porous carbon blocks, made by strongly heating a mixture of powdered charcoal with oil, resin, &c., were introduced about a generation later, and subsequently various preparations of iron (spongy iron, magnetic oxide) found favour.
- Thus, while the mineral may be formed in a stratum other than that in which it is found, though in many cases it is indigenous to it, for the formation of a natural reservoir of the fluid (whether liquid or gas) it is necessary that there should be a suitable porous rock to contain it.
- 13,336 of 1894) a rapidly rotating cathode is used in a chloride solution, a porous partition separating the tank into anode and cathode compartments, and the chlorine generated by electrolysis at the anode being recovered.
- The main requisites for a productive oil or gas field are a porous reservoir and an impervious cover.