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strong force

noun Physics.

Also called nuclear force. the short-range attractive force between baryons that holds together the nucleus of the atom.
Also called color force. the force between quarks.

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Compare gluon, strong interaction.

Origin of strong force

First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for color force

color force

See strong force.

strong force

[strông]

The fundamental force that mediates interactions between particles with color charge, such as quarks and gluons. The strong force binds quarks together to form baryons such as protons and neutrons, maintains the binding of protons and neutrons together in atomic nuclei, and is responsible for many particle decay processes. Particles that interact through the strong force exchange gluons, much as particles involved in electromagnetic interactions exchange photons. Quark color, but not flavor, is changed by the exchange of gluons. The strong force is stronger than the weak force, the electromagnetic force, and gravity, but has been known to apply only across distances the size of atomic nuclei or smaller. Also called color force strong interaction, strong nuclear force
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for color force

strong force

In physics, the force that holds particles together in the atomic nucleus and the force that holds quarks together in elementary particles.

Note

As the name implies, this is the strongest force known in nature.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.