1. indefinite integral the set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x)
  2. definite integral the integral of a function over a definite interval
  3. definitely without question and beyond doubt
  4. indefinite article a determiner that indicates nonspecific reference
  5. independent variable a value that does not depend on changes in other values
  6. integrity an undivided or unbroken completeness with nothing wanting
  7. indefiniteness the quality of being vague and poorly defined
  8. independent free from external control and constraint
  9. indefinitely to an unknown extent
  10. indefatigable showing sustained enthusiasm with unflagging vitality
  11. independently on your own; without outside help
  12. infinitesimal immeasurably small
  13. independent clause a clause in a complex sentence that can stand alone as a complete sentence
  14. integral existing as an essential constituent or characteristic
  15. indefinite quantity an estimated quantity
  16. independent agency an agency of the United States government that is created by an act of Congress and is independent of the executive departments
  17. definite article a determiner that indicates specificity of reference
  18. indifferent marked by a lack of interest
  19. indefinite vague or not clearly defined or stated
  20. intermittent cramp clinical neurological syndrome characterized by muscular twitching and cramps and (when severe) seizures; associated with calcium deficiency (hypoparathyroidism) or vitamin D deficiency or alkalosis