SINCE 1828
Avogadro's law
noun
Avo·ga·dro's law
| \ ˌav-ə-ˌgäd-(ˌ)rōz-
, ˌäv-
, -ˌgad-\
, ˌäv-
, -ˌgad-\
Medical Definition of Avogadro's law
: a law in chemistry: equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules
— called also Avogadro's hypothesis
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