This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A great or plentiful amount.

n. Fullness to overflowing: "My thoughts . . . are from the abundance of my heart” ( Thomas De Quincey).

n. Affluence; wealth.

n. Chemistry The amount of an isotope of an element that exists in nature, usually expressed as a percentage of the total amount of all isotopes of the element.

n. An overflowing fullness; ample sufficiency; great plenty; profusion; copious supply; superfluity; wealth: -- strictly applicable to quantity only, but sometimes used of number.

n. A copious supply or quantity; overflowing plenteousness; unrestricted sufficiency: strictly applicable to quantity only, but sometimes used of number: as, an abundance of corn, or of people; to have money in great abundance.

n. Overflowing fullness or affluence; repletion; amplitude of means or resources.

n. Synonyms Exuberance, Profusion, etc. (see plenty); plenteousness, plentifulness, plenitude, sufficiency, copiousness, ampleness, luxuriance, supply. See affluence.

n. In card-playing, same as abondance.

n. (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present

n. the property of a more than adequate quantity or supply

n. (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

"Since the effect of the movement is to reduce the liquids to the same condition, _a difference in density causes the flow to be greater from the less dense toward the denser liquid_, than in the opposite direction; while _a difference in composition causes the substances in solution to move from the place of greater abundance toward places of less abundance_."

deficiency    infrequency   

ratio   

abundant    abound   

riches    overflow    plenteousness    plenty    wealth    exuberance    copiousness    affluence    profusion    superfluity   

overabundance   

plenty    quantity    variety    profusion    wealth    proportion    handful    lack    richness    scarcity