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atomicity

American  
[at-uh-mis-i-tee] / ˌæt əˈmɪs ɪ ti /

noun

Chemistry.
  1. the number of atoms in a molecule of a gas.

  2. valence.


atomicity British  
/ ˌætəˈmɪsɪtɪ /

noun

  1. the state of being made up of atoms

  2. the number of atoms in the molecules of an element

  3. a less common name for valency

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of atomicity

First recorded in 1860–65; atomic + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The atomicity of certain chemical bodies does not inform us as to why one should be a deadly poison and another perfectly innocuous.

From Project Gutenberg

Pécuchet replied that they were not patients, and, having stated the object of their visit: "We want to understand, in the first place, the higher atomicity."

From Project Gutenberg

It will be shown that Clerk Maxwell also definitely affirms the atomicity of the aether, while Tyndall and Huyghens also use the term “particles of aether” over and over again.

From Project Gutenberg

It is even more strange that it may now be said of energy that there are signs of atomicity.

From Project Gutenberg

It comes to this: All compounds which you can explain on your views of atomicity are atomic, and all that you cannot thus explain are molecular.

From Project Gutenberg