dyad /dīˈad/

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

dyadˈic adjective

• digression
• digressional
• digressions
• digressive
• digressively
• digressiveness
• digs
• dig up
• Digynia
• digynian
• digynous
• DIH
• dihedra
• dihedral
• dihedral angle
• dihedrals
• dihedron
• dihedrons
• dihybrid
• dihybrids
• dihydric
• dijudicate
• dijudicated
• dijudicates
• dijudicating