Answer: gtt

AnswerCrossword Clue
GTTDrops: Lat. abbr.
GTTDrops: Lat. abbr. used in pharmacy.
GTTPharmacist's "drops": Abbr.
GTTDrop: Pharm. abbr.
GTTDrops, in pharmacy: Abbr.
GTTDrops: Pharm
GTTDruggist's drops: Abbr.
GTTDrops, in pharmacy