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/ˈæ.lə.tɹəʊp/ · noun
(chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element, with different physical properties and often different chemical properties..
Use allotrope when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Allotrope means (chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element, with different physical properties and often different chemical properties..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use allotrope where its definition matches the intended context.
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