allotropy

/əˈlɑtrəpi/
noun
  1. The existence of a chemical element in two or more different physical forms.
    • The allotropy of tin caused problems for organ makers in cold weather.
    • Understanding allotropy helps scientists create new materials with different properties.
    • Allotropy is a key concept in chemistry when studying elements like carbon and phosphorus.
Synonyms
What does "allotropy" mean? | whatsthatwordmean | whatsthatwordmean