Frequency - Word Form
  1 accompanying
  1 achievements
  1 calculations
  1 concentrated
  1 considerable
  1 extinguished
  1 hypothetical
  3 indefinitely
  1 individually
  1 intellectual
  1 introductory
  1 investigator
  1 invisibility
  1 laboratories
  1 mathematical
  1 nevertheless
  2 observations
  2 proportional
  1 satisfactory
  1 significance
  2 spectroscope
  1 speculations
  1 subject-will
  1 sufficiently
  1 uniformities