allotrope
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
One of two or more different physical forms that the same element can take.
Usage notes
Allotropes differ only in how their atoms are arranged, not in what element they're made of.
Test yourself
Which word fits the gap? "Diamond and graphite are both _____ of carbon, despite looking and behaving completely differently."
Answer: allotrope
In your own words, what does "allotrope" mean?
One of two or more different physical forms that the same element can take.
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