amphoteric /am-fō-terˈik or -fə-/

1. Of both kinds
2. Acting both ways, eg as acid and base, electropositive and electronegative

• conclusive presumption
• conclusory
• concoct
• concocted
• concocter
• concocters
• concocting
• concoction
• concoctions
• concoctive
• concoctor
• concoctors
• concocts
• concolor
• concolorate
• concolorous
• concomitance
• concomitances
• concomitancies
• concomitancy
• concomitant
• concomitantly
• concomitants
• concord
• concordance