1. absorption coefficient 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
  2. correlation coefficient a statistic representing how closely two variables co-vary
  3. absorbefacient inducing or promoting absorption
  4. absorption unit a unit for measuring absorption
  5. inception an event that is a beginning
  6. absorption band a dark band in the spectrum of white light that has been transmitted through a substance that exhibits absorption at selective wavelengths
  7. regression coefficient when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line
  8. absorption factor (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body
  9. biserial correlation coefficient a correlation coefficient in which one variable is many-valued and the other is dichotomous
  10. differential coefficient the result of mathematical differentiation
  11. absorption indicator an indicator used in reactions that involve precipitation
  12. proficient having or showing knowledge and skill and aptitude
  13. abortifacient causing abortion
  14. multiple correlation coefficient an estimate of the combined influence of two or more variables on the observed (dependent) variable
  15. absorption spectrum the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
  16. probation officer the officer of the court who supervises probationers
  17. absorption a process in which one substance permeates another
  18. observation station a station set up for making observations of something
  19. efficient being effective without wasting time, effort, or expense
  20. observation post an elevated post affording a wide view

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