Medical Definition of afferent. : bearing or conducting inward; specifically : conveying impulses toward the central nervous systemâcompare efferent.
Imperial Weight Units. The imperial system of weights, or more correctly the avoirdupois system of weights is the standard system of weight in the United States and is still in common usage in the United Kingdom. The system is based on a pound (lb) of 16 ounces (oz).
When they multiply that number, 1 cubic centimeter, by the weight of aluminium, 2.699 grams per cubic centimeter, the result is 2.699 grams.If one prefers to calculate the weight of aluminium with imperial rather than metric measurements, one should use the imperial weight of aluminium.