Microgram per Hour

**Semantic type:** Quantitative Concept

**Definition:** A unit of mass flow rate equivalent to the rate at which one millionth of a gram of matter crosses a given surface or is delivered to a given object or space over a period of time equal to one hour.

**Synonyms:** - Microgram/Hour - mcg/h - mcg/h - microgram per hour - ug/h - ug/h - ug/h - ug/h - ug/h