molecular sieve
noun
: a crystalline substance (such as a zeolite) characterized by uniformly sized pores of molecular dimension that can adsorb small molecules and is used especially in separations
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So the researchers combined it with a molecular sieve of zinc oxide as well as a membrane that blocks water molecules present in the breath.
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New Atlas, 30 Aug. 2025
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New Atlas, 30 Aug. 2025
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“Molecular sieve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/molecular%20sieve. Accessed 9 Sep. 2025.
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