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tricolor
tricorn
tricornered
tricot
tricotine
tricuspid
tricuspid valve
tricycle
tricyclic
tricyclic antidepressant drug
tridactyl
Trident
trident
tridental
Tridentine
tridimensional
tridosha
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tricyclic
tri·cy·clic [ trī sklik ]


adjective 
Definition:
 
with 3 rings: having a molecular structure containing three rings


noun  (plural tri·cy·clics)
Definition:
 
pharmacology 
Same as  tricyclic antidepressant drug
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