the extent to which an element or ion occurs in the earth's crust or some other specified environment: often expressed in parts per million or as a percentage
5. physics
the ratio of the number of atoms of a specific isotope in a mixture of isotopes of an element to the total number of atoms present: often expressed as a percentage
the abundance of neon-22 in natural neon is 8.82 per cent
6. Also called: abondance
a call in solo whist undertaking to make nine tricks
7.
affluence
Word origin
C14: via Old French from Latin abundantia, from abundāre to abound