bivalent /bī-vāˈlənt or bivˈə-lənt/

1. Having a valency of two (chem)
2. Relating to one of a pair of homologous chromosomes (also noun)

bivalence or bivalency noun

• fennel
• fennel-flower
• fennels
• fennier
• fennies
• fenniest
• fennish
• fenny
• fens
• fen-sucked
• fent
• fentanyl
• fentanyls
• fent-merchant
• fent-merchants
• fents
• fenugreek
• fenugreeks
• feod
• feodal
• feodary
• feods
• feoff
• feoffed
• feoffee