tri·car·box·yl·ic 
(trī′kär-bŏk-sĭlĭk)
(trī′kär-bŏk-sĭlĭk)adj.
Having three carboxyl groups.
- double-click
- double coconut
- double-cross
- double-crosser
- double dactyl
- double dagger
- double date
- double-date
- Doubleday
- double-dealer
- double-dealing
- double-decker
- double-digit
- double digits
- double-dip
- double dipper
- double-dip recession
- double displacement
- double-double
- double dribble
- double dutch
- double-edged
- double-entendre
- double entry
- double-faced