from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A great or plentiful amount.
  • noun The condition of being in rich supply.
  • noun Degree of plentifulness.
  • noun 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.
  • noun Affluence; prosperity.

from The Century Dictionary.

  • noun In card-playing, same as abondance.
  • noun 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.
  • noun Overflowing fullness or affluence; repletion; amplitude of means or resources.
  • noun Synonyms Exuberance, Profusion, etc. (see plenty); plenteousness, plentifulness, plenitude, sufficiency, copiousness, ampleness, luxuriance, supply. See affluence.

from the GNU version of the Collaborative International Dictionary of English.

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

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
  • noun the property of a more than adequate quantity or supply
  • noun (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


Sorry, no etymologies found.


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