Definition of Atomic weight

1. Noun. (chemistry) the mass of an atom of a chemical element expressed in atomic mass units.

Exact synonyms: Atomic Mass, Relative Atomic Mass
Generic synonyms: Mass
Specialized synonyms: Combining Weight, Eq, Equivalent, Equivalent Weight, Meq, Milliequivalent
Category relationships: Chemical Science, Chemistry

Definition of Atomic weight

1. Noun. Former term for the more specific relative atomic mass. ¹

2. Noun. A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope. ¹

¹ Source: wiktionary.com

Medical Definition of Atomic weight

1. The average weight of an atom of an element, i.e. The total mass of protons and neutrons in an atom. (09 Oct 1997)

Lexicographical Neighbors of Atomic Weight

atomic numbers
atomic orbital
atomic physics
atomic pile
atomic piles
atomic power
atomic reactor
atomic spectrum
atomic theory
atomic time
atomic volume
atomic warhead
atomic weapon
atomic weapons
atomic wedgie
atomic weight
atomic weights
atomic winter
atomic winters
atomical
atomically
atomician
atomicians
atomicism
atomicities
atomicity
atomics
atomies
atomisation
atomise

Literary usage of Atomic weight

Below you will find example usage of this term as found in modern and/or classical literature:

1. Philosophical Transactions of the Royal Society of London by Royal Society (Great Britain) (1883)
"On the atomic weight of ... in 1798, its atomic weight has been a disputed matter amongst chemists. ... and the atomic weight 13'7 (0 = 16). ..."

2. Journal of the American Chemical Society by American Chemical Society (1912)
"A REVISION OF THE atomic weight OF PHOSPHORUS. [SECOND PAPER.] THE ANALYSIS OF PHOSPHORUS TRIBROMIDE. BY GREGORY PAUL BAXTER. CHARLES JAMES MOORE AMD ARTHUR ..."

3. Science by American Association for the Advancement of Science (1919)
"Each of these samples gave a different atomic weight for the lead obtained ... As a matter of fact, it gave 206.08 for the atomic weight in question—the ..."

4. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1890)
"After noticing and giving the results of the earlier determinations of the atomic weight of gold, and the recent researches of Kriiss and of Thorpe and ..."

5. The Catholic Encyclopedia: An International Work of Reference on the by Charles George Herbermann, Edward Aloysius Pace, Condé Bénoist Pallen, Thomas Joseph Shahan, John Joseph Wynne (1913)
"If we divide the molecular weight of a compound into the atomic weight of the atoms of ... Every element has its own atomic weight, and the invariability of ..."

6. Appletons' Annual Cyclopædia and Register of Important Events of the Year (1892)
"The atomic weight of rhodium has been rede- termined by Prof. ... Hydrogen, although its small atomic weight makes it the most convenient unit, ..."

7. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"One point only we shall here mention, namely, the relationship which exists between atomic weight and atomic volume. By this last property we understand the ..."

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