atmolysis

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

1. 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 Examples from the Web for atmolysis Historical Examples of atmolysis

By this means (“atmolysis”) he was enabled partially to separate oxygen from air.

Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3

Various

British Dictionary definitions for atmolysis atmolysis noun plural -ses (-ˌsiːz)

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