impermeable rock
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
Rock that does not allow water to pass through it.
Synonyms and antonyms
Antonyms
permeable rock
pervious rock
Test yourself
Which word fits the gap? "_____ beneath the valley causes rainwater to collect in pools rather than draining away."
Answer: impermeable rock
In your own words, what does "impermeable rock" mean?
Rock that does not allow water to pass through it.
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