from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The separation of mingled gases of unequal diffusibility by transmission through porous substances.
from the GNU version of the Collaborative International Dictionary of English
- n. The act or process of separating mingled gases of unequal diffusibility by transmission through porous substances. See also gaseous diffusion.
from The Century Dictionary and Cyclopedia
- n. A method of separating mixed gases or vapors of unequal diffusibility by confining the mixture in a vessel of porous material, such as graphite, placed in a vacuum. See atmolyzer.
Ancient Greek (Wiktionary)
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