Dictionary.com

dalton

[ dawl-tn ]
/ ˈdɔl tn /
Save This Word!

noun Physics.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of dalton

First recorded in 1935–40; named after J. Dalton

Other definitions for dalton (2 of 2)

Dalton
[ dawl-tn ]
/ ˈdɔl tn /

noun
John, 1766–1844, English chemist and physicist.
Robert, 1867–92, U.S. outlaw in the West.
a city in NW Georgia.
a male given name.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use dalton in a sentence

British Dictionary definitions for dalton (1 of 2)

dalton
/ (ˈdɔːltən) /

noun
another name for atomic mass unit

Word Origin for dalton

C20: named after John Dalton

British Dictionary definitions for dalton (2 of 2)

Dalton
/ (ˈdɔːltən) /

noun
John. 1766–1844, English chemist and physicist, who formulated the modern form of the atomic theory and the law of partial pressures for gases. He also gave the first accurate description of colour blindness, from which he suffered
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for dalton

dalton
[ dôltən ]

n.
atomic mass unit
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for dalton (1 of 2)

dalton
[ dôltən ]

See atomic mass unit.

Scientific definitions for dalton (2 of 2)

Dalton
John 1766-1844

British chemist whose pioneering work on the properties of the atmosphere and gases led him to formulate the atomic theory. Dalton's theory stipulates that all matter is made up of combinations of atoms, the atoms of each element being identical. These atoms can be neither created nor destroyed, but chemical reactions take place through their rearrangement.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK