dalton definition by Webster's New World
atomic mass unit
Origin: after John Dalton
Dalton, John 1766-1844; Eng. chemist & physicist
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- Daltonian adjective
dalton definition by American Heritage Dictionary
Origin: After John Dalton.
, John 1766-1844.
British chemist whose pioneer work on the properties of gases led to his formulation of the atomic theory. He also studied his own condition of colorblindness.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
, Robert 1867-1892.
American outlaw noted for his exploits as a horse thief, train robber, and leader of the Dalton gang, which included his two brothers.
dalton - Medical Definition
The American Heritage® Medical Dictionary Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.