Definition of multivalently in English:
multivalently
adverb ˌmʌltɪˈveɪləntliˌmʌltɪˈveɪl(ə)ntli
In a multivalent manner; in a manner exhibiting, or arising out of, multivalence.
Origin
1940s; earliest use found in Annals of Mathematics. From multivalent + -ly.