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Alkalinity vs Porous - What's the difference?

alkalinity | porous |

As a noun alkalinity

is (chemistry) the state of being, or the degree to which a thing is, alkaline.

As an adjective porous is

full of tiny pores that allow fluids or gasses to pass through.

alkalinity

English

Noun

(wikipedia alkalinity) (alkalinities)
  • (chemistry) The state of being, or the degree to which a thing is, alkaline.

    • Antonyms

    * acidity

    porous

    English

    Adjective

    (en adjective)
  • Full of tiny pores that allow fluids or gasses to pass through.
    • Sponges are porous so they can filter water while trapping food.
    Concrete is porous , so water will slowly filter through it.
  • (Of legislation) full of loopholes
  • (figuratively) With many gaps.
  • * {{quote-news
    • , year=2011 , date=May 14 , author=Peter Scrivener , title=Sunderland 1 - 3 Wolverhampton , work=BBC Sport citation , page= , passage=However, Wolves porous defence opened up again to gift Sunderland a foothold in the game - Sessegnon sweeping in a Zenden corner that was inexplicably allowed to bounce in the six-yard box. }}

    Synonyms

    * (full of holes ): permeable