1. mathematical space (mathematics) any set of points that satisfy a set of postulates of some kind
  2. identicalness exact sameness
  3. identical twin either of two twins developed from the same fertilized ovum
  4. identically with complete identity; in an identical manner
  5. identical being the exact same one
  6. oriental spruce evergreen tree of the Caucasus and Asia Minor used as an ornamental having pendulous branchlets
  7. Odontaspis type and sole genus of Carchariidae: sand sharks
  8. odontoglossum any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually large flowers in many colors
  9. metric space a set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality
  10. topological space (mathematics) any set of points that satisfy a set of postulates of some kind
  11. denticulate having a very finely toothed margin
  12. identity crisis distress and disorientation (especially in adolescence) resulting from conflicting pressures and uncertainty about one's self and one's role in society
  13. breathing space sufficient room for easy breathing or movement
  14. dead-air space an unventilated area where no air circulates
  15. tropical sprue a chronic disorder that occurs in tropical and non-tropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation
  16. interstellar space the space between stars
  17. glandulae sebaceae a cutaneous gland that secretes sebum (usually into a hair follicle) for lubricating hair and skin
  18. political science the study of government of states and other political units
  19. anticlimax a disappointing decline after a previous rise
  20. disc space (computer science) the space available on a magnetic disk

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