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
Comments on Avogadro's law
What made you want to look up Avogadro's law? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
Add Diction
Build a chain of words by adding one letter at a time.
Play the game
Share Avogadro's law
Resources for Avogadro's law