Abundance - Definition
abundance
n 1: the property of a more than adequate quantity or supply;
"an age of abundance" [syn: abundance, copiousness,
teemingness] [ant: scarceness, scarcity]
2: (physics) the ratio of the number of atoms of a specific
isotope of an element to the total number of isotopes present
3: (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