Metric Drop

**Semantic type:** Quantitative Concept

**Definition:** A unit of volume used in pharmacy and equal to 0.05 milliliter (20 drops/ml).

**Synonyms:** - DROPS - DROPS - Drop - Drop - Drop Dosing Unit - Drop Unit - Drops - Gtt - Pharmacist's Drop - X4 - [drp] - [drp] - [drp] - drop - drop - drop(s) - drp - gtt - gtt