dyad /dīˈad/

1. A pair of units treated as one
2. A bivalent atom, radical, or element (chem)

• handcuffing
• handcuffs
• hand down
• handed
• handedness
• handednesses
• hander
• handers
• handfast
• handfasted
• handfasting
• handfastings
• handfasts
• hand-feeding
• handful
• handfuls
• hand gallop
• hand gallops
• hand glass
• hand glasses
• hand grenade
• hand grenades
• handgrip
• handgrips
• handgun