Definition of allotropical in English:

allotropical

adjective

Chemistry
  • Allotropic.

Origin

Mid 19th century; earliest use found in Chemist. From allo- + -tropic + -al, ultimately after Swedish allotropisk: see slightly earlier allotropic and foreign-language forms cited at that entry.

Pronunciation

allotropical

/ˌaləˈtrɒpɪkl/