atmolysis

[ at-mol-uh-sis ]
/ ætˈmɒl ə sɪs /

noun, plural at·mol·y·ses [at-mol-uh-seez] /ætˈmɒl əˌsiz/.

a process for separating gases or vapors of different molecular weights by transmission through a porous substance.

Origin of atmolysis

First recorded in 1865–70; atmo- + -lysis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for atmolysis

atmolysis

/ (ætˈmɒlɪsɪs) /

noun plural -ses (-ˌsiːz)

a method of separating gases that depends on their differential rates of diffusion through a porous substance
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