| 释义 |
avo·ga·dro number
noun
or avogadro constant \| ̷ ̷ ̷ ̷| ̷ ̷(ˌ)drō-\
Usage: usually capitalized A
Etymology: after Count Avogadro
: the number of atoms in a gram atom or of molecules in a gram molecule of any substance (as for oxygen the number of atoms in 16 grams), its value being 6.023 × 1023 — compare avogadro's law |