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treponema
trespass
tress
tressure
trestle
trestle table
trestletree
trestlework
tretinoin
trevally
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tretinoin
tret·i·noin [ trétti nòyn ]


noun 
Definition:
 
drug used to treat acne: a drug related chemically to vitamin A. Use: topical treatment of acne and other skin disorders.
[Late 20th century. <trans- + retinoic (acid) (<retino-)]
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