Dictionary  Lo'schmidt's num"berPronunciation: (lō'shmits), [key] Chem. the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 1019. Cf. Avogadro's number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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