Also known as: GR+, GR., GR-, GR@
GR has various meanings in the Biology category. Discover the full forms, definitions, and usage contexts of GR in Biology.
Unit of mass in the SI system of weights. Symbol g. A metric unit of mass, equal to 1/1000 of a kilogram. Kilograms are the base SI units for mass, not grams. A gram is metric unit of measure for mass. It is the weight of one milliliter of water at a temperature of 39.2 degrees Fahrenheit. The basic unit of mass in the metric system.
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