abundance
American Heritage Dictionary:
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a·bun·dance
(ə-bŭn'dəns) 
n.
n.
- A great or plentiful amount.
- Fullness to overflowing: "My thoughts . . . are from the abundance of my heart" (Thomas De Quincey).
- Affluence; wealth.
- 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.
Oxford Dictionary of Chemistry:
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abundance
1. The ratio of the total mass of a specified element in the earth's crust to the total mass of the earth's crust, often expressed as a percentage. For example, the abundance of aluminium in the earth's crust is about 8%. 2. The ratio of the number of atoms of a particular isotope of an element to the total number of atoms of all the isotopes present, often expressed as a percentage. For example, the abundance of uranium-235 in natural uranium is 0.71%. This is the natural abundance, i.e. the abundance as found in nature before any enrichment has taken place.
Roget's Thesaurus:
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abundance
Antonyms by Answers.com:
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abundance
n
Definition: great amount or supply
Antonyms: dearth, deficiency, inadequacy, lack
Oxford Dictionary of Geography:
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abundance
The total number of individuals of a certain species present in an area. Abundance is generally estimated by using one or more of a variety of sampling methods (such as capture-recapture) and may vary according to competition, predation, and resources. See also diversity.
Word Tutor:
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abundance
IN BRIEF: More than enough; in great supply.
The tomatoes in Frank's garden were growing In abundance.
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Quotes About:
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Abundance
Quotes:
"Let nothing disturb thee; Let nothing dismay thee; All things pass; God never changes. Patience attains All that it strives for; He who has God Finds he lacks nothing;"
- Source Unknown
"In my hut this spring, there is nothing -- there is everything!"
- Sodo
"The universe is full of magical things patiently waiting for our wits to grow sharper."
- Eden Phillpotts
"Not what we have But what we enjoy, constitutes our abundance."
- John Petit-Senn
"He who is plenteously provided for from within, needs but little from without."
- Johann Wolfgang Von Goethe
"Nothing is enough for the man to whom enough is too little."
- Epicurus
See more famous quotes about Abundance
See crossword solutions for the clue Wikipedia on Answers.com:
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Abundance (chemistry)
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This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (November 2009) |
For other uses of abundance in chemistry or other uses, see Abundance.
In a chemical reaction, a reactant is considered to be in abundance if the quantity of that substance is high and virtually unchanged by the reaction. Abundance differs from excess in that a reactant in excess is simply any reactant other than the limiting reagent;[1] the amount by which a reactant is in excess is often specified, such as with terms like "twofold excess", indicating that there is twice the amount of reactant necessary for the limiting reagent to be completely reacted. In this case, should the reaction go to completion, the quantity of the reactant in excess will have halved.
When performing kinetic or thermodynamic studies, it is often useful to have one or more reactants in abundance, as it allows their concentrations to be treated as constants (or parameters) rather than as variables.
References
- ^ Masterton, William L.; Hurley, Cecile N. (2008). Chemistry: Principles and Reactions (6 ed.). Cengage Learning. ISBN 0-495-12671-3.
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This chemistry-related article is a stub. You can help Wikipedia by expanding it. |
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
Translations:
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Abundance
Dansk (Danish)
n. - overflod, væld, rigdom
Nederlands (Dutch)
overvloed, rijkdom, veelheid
Français (French)
n. - abondance, profusion, multiplicité, à foison, aisance
Deutsch (German)
n. - Überfluß, Fülle, Vielzahl
Ελληνική (Greek)
n. - αφθονία, πληθώρα
Italiano (Italian)
abbondanza, profusione, molteplicità
Português (Portuguese)
n. - abundância (f)
Русский (Russian)
изобилие, избыток, богатство, множество
Español (Spanish)
n. - abundancia, plétora, profusión, multiplicidad
Svenska (Swedish)
n. - överflöd, mängd
中文（简体）(Chinese (Simplified))
丰富, 充足, 充裕
中文（繁體）(Chinese (Traditional))
n. - 豐富, 充足, 充裕
日本語 (Japanese)
n. - 豊富, 富裕, 裕福
العربيه (Arabic)
(الاسم) غزاره, وفره
עברית (Hebrew)
n. - שפע, עושר
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Oxford Dictionary of Chemistry
A Dictionary of Chemistry. Sixth Edition. Copyright © Market House Books Ltd, 2008. All rights reserved.
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Roget's Thesaurus
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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Oxford Dictionary of Geography
A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.
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