say it: uh-BUHN-duhns
abundance is a noun meaning "the property of a more than adequate quantity or supply". It carries 3 recorded senses.
the property of a more than adequate quantity or supply
“an age of abundance”
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
physics
(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
chemistry
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for abundance come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.