porous Hear it!

porous Definition

po·rous (pôrəs, pōr-)

adjective

full of pores, through which fluids, air, or light may pass

Etymology: ME < ML porosus < L porus, pore

porous Related Forms
por·ously adverb por·ous·ness noun
porous Synonyms

porous

modif.

pervious, permeable, acceptable, pory; see penetrable.

porous Usage Examples

Adjective complement with noun phrase

  • make: Indeed, it is not hard to make such materials porous: the problem comes in controlling the porosity.

Infinitive complement

  • allow: The liner is tailored to fit inside the mini raised bed and is porous to allow drainage.

Modifies a noun

  • asphalt: These include our range of porous asphalts using specially modified binders.
  • scaffold: A common approach is to place a porous biomaterial scaffold, seeded with cells, in a flow perfusion bioreactor.
  • silicon: Technology is based on therapeutic applications of porous silicon.
  • paving: Ways of achieving this credit are to provide porous paving and direct the run-off from the roof to local soak-away facilities.
  • border: The international press can enter Haiti through its porous borders with near impunity.
  • substrate: Abstract The study of the adsorption of vapors on porous substrates is of wide ranging importance within many sectors of the chemical industry.

Modifying Another Word

  • highly: Papers produced from the pulp are highly porous, that is, they allow easy passage of water.
  • slightly: Yes, it is possible to paint on slightly porous objects.
  • increasingly: With smuggling revenue exploding, and borders increasingly porous, the Iraqi regime -- if not the Iraqi people -- is doing better economically.
  • extremely: At Great Orme this reaction has been particularly intense, due to the extremely porous nature of the ground.
  • very: The research implies the moons are very porous - similar to moons orbiting just outside Saturn's rings.
  • not: Andrew Newton Slates are not porous, at least not in the sense you mean.

Used with adjective complement

  • become: They're a taste of what happens when the barriers of our personality become porous.
  • remain: To guard against frost damage they are fired to 1160 degrees centigrade yet remain porous allowing roots to breathe and preventing waterlogging.
  • treat: Treat porous surfaces such as wood and concrete particularly carefully.