gr.

gr. (gram; grams) metric unit of weight equal to 1/1000 of a kilogram gr. (grade) measure of the steepness of a slope (of a road or a ramp) which is generally indicated in a percentage (the same measure known as "slope" in mathematics which is the amount of (vertical) change in elevation per unit distance horizontally) gr. (gravity) attractive force which causes all bodies to move toward the center of the earth; weight, heaviness gr. (gross) inclusive, complete, total; general; without deductions