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• n  a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
  their principles of composition characterized all their works
• n  a rule or standard especially of good behavior
  a man of principle
  he will not violate his principles
• n  a basic truth or law or assumption
  the principles of democracy
• n  a rule or law concerning a natural phenomenon or the function of a complex system
  the principle of the conservation of mass
  the principle of jet propulsion
• n  rule of personal conduct
• n  (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
  the principles of internal-combustion engines

• Some of these loans might end up having their rates or principle reduced, but again, banks will be looking out for the banks on this one.
• If you concede the principle of the income tax, you concede the principle that the government owns all your income and permits you to keep a certain percentage of it.
• In the very bright lexicon of diplomacy, few phrases are more useful than "in principle.

• rule
• precept
• rationale

News & Articles

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• Liverpool Closing in on Iago Aspas, Agrees ‘in Principle’ to Sign Spanish Forward From Celta Vigo
  Liverpool has agreed to a deal in principle with Celta Vigo for striker Iago Aspas, subject to documentation being completed. Aspas scored 12 goals in 34 games in 2012-13 despite playing for a side threatened with relegation until the final day of the season. During the campaign, he was directly involved in 51 percent of […]
  June 13, 2013 - New England Sports Network
• Luminous bacterial proteins detect chemicals in water
  Scientists have developed a simple color sensor principle which facilitates the detection of residual medications, trace metals from industrial process waters, and many other substances. This is the concept: If the analyzed sample shines red, then the water is 'clean;' if its color turns green, however, then it contains the substances the scientists wish to detect.
  June 13, 2013 - Science Daily
• Liverpool Closing in on Iago Aspas, Agrees ‘in Principle’ to Sign Spanish Forward From Celta Vigo
  Liverpool has agreed to a deal in principle with Celta Vigo for striker Iago Aspas, subject to documentation being completed. Aspas scored 12 goals in 34 games in 2012-13 despite playing for a side threatened with relegation until the final day of the season. During the campaign, he was directly involved in 51 percent of […]
  June 13, 2013 - New England Sports Network