from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The random movement of microscopic particles suspended in a liquid or gas, caused by collisions with molecules of the surrounding medium.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics
Random motionof particlessuspended in a fluid, arising from those particles being struck by individual moleculesof the fluid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the random motion of small particles suspended in a gas or liquid
from The American Heritage® Dictionary of the English Language, 4th Edition
[After Robert Brown.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
Named after botanist Robert Brown (1773-1858) who investigated the movement of pollen suspended in water.
Help support Wordnik (and make this page ad-free) by adopting the word Brownian motion.
Sorry, no example sentences found.
Log in or sign up to get involved in the conversation. It's quick and easy.