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reactant
noun
re·ac·tant
rē-ˈak-tənt
: a substance that enters into and is altered in the course of a chemical reaction
Examples of reactant in a Sentence
Recent Examples on the Web
As illustrated by this simplified diagram of the human metabolome (where lines indicate chemical reactions and dots indicate reactants or products), your metabolic network is incredibly complex.
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Travis Nemkov, Discover Magazine, 11 Apr. 2024
The chemical processes are generally most efficient when there’s a constant supply of power and reactants.
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Matthias Mueller, IEEE Spectrum, 19 Aug. 2023
Their expertise ensures proper handling of reactants, precise control of reaction conditions, and the ability to troubleshoot any unexpected challenges that may arise.
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Amber Smith, Discover Magazine, 9 July 2023
According to one study, there are actually five levels of boredom: indifferent, calibrating, searching, reactant, and apathetic.
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Joey Camire, Quartz, 21 Mar. 2020
For our purposes, level three (searching) and level four (reactant) are the most relevant.
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Joey Camire, Quartz, 21 Mar. 2020
The Chinese scientists added polyethylene glycol into the reactant mix when building their COF compound, which effectively bridged the porous spaces to create a version that was much more compact and flexible.
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Jennifer Ouellette, Ars Technica, 21 July 2019
Nasal swabs would be collected from a patient, placed into a tube and mixed with a reactant.
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Anna Bauman, SFChronicle.com, 29 Jan. 2020
Modern suits come equipped with tiny, microscopic balls of heat-reactant chemicals that helped protect astronauts from the frigid temps.
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Jennifer Leman, Popular Mechanics, 22 Nov. 2019
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reactant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1916, in the meaning defined above
Dictionary Entries Near reactant
Cite this Entry
“Reactant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactant. Accessed 19 Aug. 2024.
Kids Definition
reactant
noun
re·ac·tant
rē-ˈak-tənt
: a substance that enters into and is changed by a chemical reaction
More from Merriam-Webster on reactant
Britannica.com: Encyclopedia article about reactant
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