molecular sieve

mo·lec·u·lar sieve

M m

Definitions of molecular sieve words

noun molecular sieve a compound with molecule-size pores, as some sodium aluminum silicates, that chemically locks molecules in them: used in purification and separation processes. 1
noun molecular sieve a material that can absorb large amounts of certain compounds while not absorbing others and is thus suitable for use in separating mixtures 0
noun molecular sieve any of a class of zeolites or similar materials, natural or synthetic, having small, precisely uniform, pores in their crystal lattices that can absorb molecules small enough to pass through the pores: used as for separating or drying gases and liquids 0

before 1925

One of the 11% newest English words

First recorded in 1925-30

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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