Loschmidt's number
[
loh
-shmits]
/ˈloʊ ʃmɪts/
noun
,
Chemistry
1.
the number of molecules in one cubic centimeter of an ideal gas at standard temperature and pressure, equal to 2.687 × 10
19.
Compare
Avogadro's number
.
Origin
after Joseph
Loschmidt
(1821-95), Austrian chemist, who calculated it