the property of a more than adequate quantity or supply; "an age of abundance"
(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
the property of a sensation that is rich and pleasing; "the music had a fullness that echoed through the hall"; "the cheap wine had no body, no mellowness"; "he was well aware of the richness of his own appearance"