impermeable
IPA: ɪmpˈɝmiʌbʌɫ
adjective
- Impossible to permeate.
- Not allowing passage, especially of liquids; waterproof.
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Examples of "impermeable" in Sentences
- In effect, social scientists treat the life sciences as enclosed within a kind of impermeable wall.
- Many geothermal reservoirs have heat, but the rock is impermeable, which is the problem at the Raft River well known as RRG-9.
- The old operation of "perineal section" for so-called impermeable stricture is very different, being difficult, dangerous, and uncertain in its results.
- Vittorio took them there in the hooded gondola, himself radiant in a new "impermeable" hat and coat, which gave him the appearance of a gigantic wet seal, swaying genially on its supple tail.
- When word of the dispute reached AGO director and CEO Matthew Teitelbaum that November, he said he was confident the newly renovated Gallery would be "impermeable" and ready for the challenging weather of downtown Toronto.
- On the wall hung a simple chart of a rock formation with layers labelled impermeable, source, permeable and reservoir; a list saying things like spudded Oct. '71, plugged and abandoned Jan.' 72; and three brightly coloured maps of the North Sea, each of them showing a different aspect of the oil drilling operations going on there.
- Igneous rock types like basalt have very small mineral grains and are thus deigned "impermeable" although the term means "barely" rather than "absolutely not" permeable, and are formed by lava cooling at the earth's surface; others, like granite, have larger pores and are formed by lava flows which cool much more slowly underground.
- His dream, as he told the American people, was to create an "impermeable" anti-missile shield over the United States -- "like a roof protects a family from rain" -- that would end the possibility of nuclear attack from the Soviet Union and so create peace in our time (or, if you were of a more cynical turn of mind, the possibility of a freebie nuclear assault on the Soviets).
- included a magnified view showing how difficult it is for water molecules to navigate their way through the mineral grains of an "impermeable" rock; or, most importantly, added an unconfined aquifer above the impermeable layer the most common real scenario anyway to show where the rain actually goes, and to highlight the distinction between a confined source and an unconfined one.
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