amphoteric /am-fō-terˈik or -fə-/

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

• unpick
• unpickable
• unpicked
• unpicking
• unpicks
• unpierced
• unpillared
• unpillowed
• unpiloted
• unpin
• unpinked
• unpinkt
• unpinned
• unpinning
• unpins
• unpitied
• unpitiful
• unpitifully
• unpitifulness
• unpitifulnesses
• unpitying
• unpityingly
• unplace
• unplaced
• unplaces