Gram per Square Meter

**Semantic type:** Quantitative Concept

**Definition:** A metric unit of areal density defined as a spread rate at which one gram of a substance is spread over the area of one square meter. It is equal to approximately 0.029 4935 ounce per square yard. Also used as a dose calculation unit to express quantity of an agent in grams per body surface area in square meters.

**Synonyms:** - Gram per Meter Squared - Gram/Square Meter - Milligram per Millimeter Squared - Milligram per Square Millimeter - Milligram/Square Millimeter - g/m2 - g/m2 - g/m2 - g/m2 - g/m2 - g/m2 - g/m2 - gram(s)/square meter - grams Per Square Meter - gsm - mg/mm2