1. geological fault (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other
  2. geological period a unit of geological time during which a system of rocks formed
  3. logical fallacy a fallacy in logical argumentation
  4. theological virtue according to Christian ethics: one of the three virtues (faith, hope, and charity) created by God to round out the natural virtues
  5. geologically with respect to geology
  6. geological time the time of the physical formation and development of the earth (especially prior to human history)
  7. geological of or relating to or based on geology
  8. geological era a major division of geological time
  9. biological agent any bacterium or virus or toxin that could be used in biological warfare
  10. geological dating use of chemical analysis to estimate the age of geological specimens
  11. psychological feature a feature of the mental life of a living organism
  12. geological formation (geology) the geological features of the earth
  13. geological horizon a layer of rock with a particular composition
  14. biological clock an innate mechanism in living organisms that controls the periodicity of many physiological functions
  15. psychological state (psychology) a mental condition in which the qualities of a state are relatively constant even though the state itself may be dynamic
  16. geological process a natural process whereby geological features are modified
  17. zoological garden the facility where wild animals are housed for exhibition
  18. illogicality invalid or incorrect reasoning
  19. vertical flute a tubular wind instrument with 8 finger holes and a fipple mouthpiece
  20. geological phenomenon a natural phenomenon involving the structure or composition of the earth

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