capillary action
Pronunciation
Noun
B1 Intermediate
Quick answer
The ability of a liquid to flow through narrow spaces without help from outside forces like gravity, caused by attraction between the liquid and the surface.
Test yourself
Which word fits the gap? "_____ pulls water up through a paper towel dipped in a glass."
Answer: capillary action
In your own words, what does "capillary action" mean?
The ability of a liquid to flow through narrow spaces without help from outside forces like gravity, caused by attraction between the liquid and the surface.
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