1. extremely high frequency 30 to 300 gigahertz
  2. extrospective not introspective; examining what is outside yourself
  3. objective the goal intended to be attained
  4. effect a phenomenon that is caused by some previous phenomenon
  5. perspective a way of regarding situations or topics
  6. extreme unction a Catholic sacrament
  7. extremely low frequency below 3 kilohertz
  8. extrovertive being concerned with the social and physical environment
  9. extravertive being concerned with the social and physical environment
  10. affect have an influence upon
  11. extremely to the greatest possible degree
  12. extragalactic outside or beyond a galaxy
  13. extrapolate draw from specific cases for more general cases
  14. cost-effective productive relative to the cost
  15. introspective given to examining own sensory and perceptual experiences
  16. butterfly effect the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago
  17. external drive a drive with its own power supply and fan mounted outside the computer system enclosure and connected to the computer by a cable
  18. exteroceptive of or relating to exteroception
  19. subjective taking place within the mind and modified by individual bias
  20. effective producing or capable of producing an intended result