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molecular sieve
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noun Chemistry.
a compound with molecule-size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes.
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Origin of molecular sieve
First recorded in 1925–30
Words nearby molecular sieve
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use molecular sieve in a sentence
British Dictionary definitions for molecular sieve
molecular sieve
noun
chem a material that can absorb large amounts of certain compounds while not absorbing others and is thus suitable for use in separating mixtures
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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