cleavage
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
The tendency of a mineral to split along flat planes, or the series of early cell divisions in a fertilised egg.
Test yourself
Which word fits the gap? "Mica's perfect _____ lets it be peeled into thin, flexible sheets."
Answer: cleavage
In your own words, what does "cleavage" mean?
The tendency of a mineral to split along flat planes, or the series of early cell divisions in a fertilised egg.
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