Meaning ofbivalentin English

Adjective

1. having a valence of 2 (chemistry context)
   The bivalent ion has two electrons available for bonding.
2. protecting against two viruses; diseases
   The new vaccine is bivalent, offering protection against two different strains of the flu.
3. relating to paired chromosomes (genetics)
   In genetics, bivalent chromosomes are paired during meiosis.