1. existential operator a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is true
  2. existentialist a philosopher who emphasizes freedom of choice and personal responsibility but who regards human existence in a hostile universe as unexplainable
  3. existential relating to or dealing with the state of being
  4. existential quantifier a logical quantifier of a proposition that asserts the existence of at least one thing for which the proposition is true
  5. existentialism a philosophy that assumes that people are entirely free
  6. existential philosopher a philosopher who emphasizes freedom of choice and personal responsibility but who regards human existence in a hostile universe as unexplainable
  7. existential philosophy a 20th-century philosophical movement chiefly in Europe
  8. identity operator an operator that leaves unchanged the element on which it operates
  9. exponential return a decrease that follows an exponential function
  10. Alexander the Liberator the son of Nicholas I who, as czar of Russia, introduced reforms that included limited emancipation of the serfs (1818-1881)
  11. newsstand operator someone who sells newspapers
  12. essential tremor tremor of unknown cause that develops in older people
  13. existentialist philosopher a philosopher who emphasizes freedom of choice and personal responsibility but who regards human existence in a hostile universe as unexplainable
  14. exasperated greatly annoyed; out of patience
  15. exfiltration operation a clandestine rescue operation to bring a defector or refugee or an operative and family out of danger
  16. chemistry laboratory a laboratory for research in chemistry
  17. exponential decay a decrease that follows an exponential function
  18. exponential series a series derived from the expansion of an exponential expression
  19. sequential operation the sequential execution of operations one after another
  20. existentialist philosophy a 20th-century philosophical movement chiefly in Europe