Source : Webster's Revised Unabridged Dictionary (1913)

Triclinic \Tri*clin"ic\, a. [Pref. tri- + Gr. ? to incline.]
   (Crystallog.)
   Having, or characterized by, three unequal axes intersecting
   at oblique angles. See the Note under {crystallization}.

Source : WordNet®

triclinic
     adj : having three unequal crystal axes intersecting at oblique
           angles; "triclinic system" [syn: {anorthic}] [ant: {monoclinic}]