1. coefficient of concordance a coefficient of agreement (concordance) between different sets of rank orderings of the same set of things
  2. coefficient of correlation a statistic representing how closely two variables co-vary
  3. coefficient of friction the ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface
  4. coefficient of viscosity a measure of the resistance to flow of a fluid under an applied force
  5. coefficient of expansion the fractional change in length or area or volume per unit change in temperature at a given constant pressure
  6. coefficient of absorption a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
  7. coefficient of drag the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body
  8. concentration gradient a gradient in concentration of a solute as a function of distance through a solution
  9. coefficient of elasticity (physics) the ratio of the applied stress to the change in shape of an elastic body
  10. vote of confidence an expression of approval and encouragement
  11. coefficient of reflection the fraction of radiant energy that is reflected from a surface
  12. tau coefficient of correlation a nonparametric measure of the agreement between two rankings
  13. concordance a harmonious state of things and of their properties
  14. coefficient of self induction the ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries
  15. coefficient of mutual induction a measure of the induction between two circuits
  16. conditioned avoidance a conditioned response that anticipates the occurrence of an aversive stimulus
  17. cognitive content the sum or range of what has been perceived, discovered, or learned
  18. incongruous lacking in harmony or compatibility or appropriateness
  19. conditioned avoidance response a conditioned response that anticipates the occurrence of an aversive stimulus
  20. scientific fact an observation that has been confirmed repeatedly and is accepted as true (although its truth is never final)