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bi-bivalent

American  
[bahy-bahy-vey-luhnt, bahy-biv-uh-] / ˌbaɪ baɪˈveɪ lənt, baɪˈbɪv ə- /

adjective

Chemistry.
  1. noting an electrolytic compound which splits into two ions, each with a valence of two.


Etymology

Origin of bi-bivalent

bi- 1 + bivalent