1. entertainment deduction deduction allowed for some (limited) kinds of entertainment for business purposes
  2. entertainment center a wall unit containing sound and television systems
  3. entertainment industry those involved in providing entertainment: radio and television and films and theater
  4. entertainment an activity that is diverting and that holds the attention
  5. interdenominational occurring between or among or common to different churches or denominations
  6. operating instructions a manual usually accompanying a technical device and explaining how to install or operate it
  7. sentential function formal expression containing variables
  8. environmental condition the state of the environment
  9. investment funds money that is invested with an expectation of profit
  10. environmental science the branch of biology concerned with the relations between organisms and their environment
  11. internment camp a camp for prisoners of war
  12. inverse function a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x
  13. environment the totality of surrounding conditions
  14. contradistinction a distinction drawn on the basis of contrast
  15. intermittent claudication lameness due to pain in leg muscles because the blood supply is inadequate; pain subsides with rest
  16. intervention the act of interposing one thing between or among others
  17. derived function the result of mathematical differentiation
  18. department of corrections the department of local government that is responsible for managing the treatment of convicted offenders
  19. intercommunication mutual communication; communication with each other
  20. Department of Education the United States federal department that administers all federal programs dealing with education (including federal aid to educational institutions and students); created 1979