Coulomb's law

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The fundamental law of electrostatics stating that the force between two charged particles is directly proportional to the product of their charges and inversely proportional to the square of the distance between them.

from The Century Dictionary.

• noun See law.

from the GNU version of the Collaborative International Dictionary of English.

• (Physics) The law that the force exerted between two electric or magnetic charges is directly proportional to the product of the charges and inversely to the square of the distance between them.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• proper noun physics the fundamental law of electrostatics - the force between two point charges is proportional to the product of their charges, and inversely proportional to the square of the distance between them

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a fundamental principle of electrostatics; the force of attraction or repulsion between two charged particles is directly proportional to the product of the charges and inversely proportional to the distance between them; principle also holds for magnetic poles