gt
Also found in: Dictionary, Financial, Acronyms, Encyclopedia, Wikipedia.
gt
Abbreviation for gutta.
gutta
(gŭt′ă) [L., a drop],gt
(pl. gtt.) A drop. The amount in a drop varies with the nature of the liquid and its temperature. It is therefore not advisable to use the number of drops per minute of a solution as anything more than a general guide to the amount of material being administered intravenously.