1. principle of parsimony the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
  2. principle of superposition (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest
  3. principle a basic generalization that is accepted as true
  4. principal main or most important
  5. Prince-of-Wales fern New Zealand with pinnate fronds and a densely woolly stalks
  6. principle of relativity (physics) a universal law that states that the laws of mechanics are not affected by a uniform rectilinear motion of the system of coordinates to which they are referred
  7. law of parsimony the principle that entities should not be multiplied needlessly; the simplest of two competing theories is to be preferred
  8. Principality of Monaco a constitutional monarchy in a tiny enclave on the French Riviera
  9. Huygens' principle of superposition the displacement of any point due to the superposition of wave systems is equal to the sum of the displacements of the individual waves at that point
  10. Disciples of Christ a Protestant church that accepts the Bible as the only source of true Christian faith and practices baptism by immersion
  11. runcible spoon a fork-like spoon with a cutting edge; coined by Edward Lear
  12. principle of equivalence (physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference
  13. principal sum capital as contrasted with the income derived from it
  14. Prince-of-Wales plume New Zealand with pinnate fronds and a densely woolly stalks
  15. Principality of Liechtenstein a small landlocked principality (constitutional monarchy) in central Europe located in the Alps between Austria and Switzerland
  16. principle of liquid displacement (hydrostatics) the volume of a body immersed in a fluid is equal to the volume of the displaced fluid
  17. Parnassia palustris plant having ovate leaves in a basal rosette and white starlike flowers netted with green
  18. princess pine a variety of club moss
  19. Principality of Andorra a small republic in the eastern Pyrenees between Spain and France
  20. Princeton University a university in New Jersey