gt

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gt

abbreviation for gutta.

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.