activity coefficient

noun

: the ratio of chemical activity to actual concentration : an arbitrary quantity that in the case of solutions is a measure of the deviation of a more or less concentrated solution from an ideal solution

Word History

First Known Use

1911, in the meaning defined above

Time Traveler

The first known use of activity coefficient was in 1911

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“Activity coefficient.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/activity%20coefficient. Accessed 28 Nov. 2024.

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