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)

• step fault
• step faults
• step function
• step functions
• stephane
• stephanes
• stephanite
• stephanites
• stephanotis
• stephanotises
• step in
• step-in
• step into
• step into someone's shoes
• step into the breach
• stepladder
• stepladders
• stepmother
• stepmotherly
• stepmothers
• stepney
• stepneys
• step on
• step on it
• step on the gas