How to Use reactant in a Sentence
reactant
noun-
The platform is robust, customizable, and designed to keep each metal atom exposed to reactants, a key requirement for maximum catalytic activity.
—Neetika Walter, Interesting Engineering, 3 Dec. 2025
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Bottlenecks emerge when too many reactants arrive simultaneously and wait for available sites, reducing overall efficiency.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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Rather than focusing solely on maximizing reactant entry, engineers can tailor shell structures to precisely regulate transport.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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The system features an open architecture that pairs a pure lithium metal negative electrode directly with ambient oxygen drawn from the surrounding atmosphere to act as the positive electrode reactant.
—Aman Tripathi, Interesting Engineering, 3 June 2026
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By introducing only mild restrictions to molecular transport, the inflow of reactants into the hollow cavity can be aligned more effectively with the intrinsic processing rate of the catalyst.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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Conventional intuition suggests that the most efficient way to accelerate a chemical reaction is to give reactants unhindered access to a highly active catalyst.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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Lele and his team modeled the convection of reactant gases in the flow field along with simultaneous reactions occurring at the catalyst layers and proton conduction through the PEM fuel cell.
—IEEE Spectrum, 20 Nov. 2017
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Put differently, the most efficient nanoreactor is not necessarily the one that allows reactants to enter as rapidly as possible, but rather the one that regulates access just enough to maintain steady and efficient reaction dynamics.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
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The authors note that this outcome is counterintuitive, as it is generally assumed that reactions accelerate when more reactants can reach the catalyst more quickly, pointing instead to a more nuanced underlying principle governing nanoscale catalysis.
—Bojan Stojkovski, Interesting Engineering, 3 May 2026
Some of 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.
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