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)

• reefed
• reefer
• reefer jacket
• reefers
• reefing
• reefing-jacket
• reefing-jackets
• reefings
• reef knot
• reef knots
• reef point
• reef points
• reefs
• reek
• reeked
• reekie
• reekier
• reekiest
• reeking
• reeks
• reeky
• reel
• re-elect
• re-elected
• re-electing