molecular sieve

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.

Origin of molecular sieve

First recorded in 1925–30

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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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

molecular sieve

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}molecular sieve

molecular sieve

Origin of molecular sieve