1. crystalline consisting of or containing or of the nature of crystals
  2. crystalline lens biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
  3. crinoline a stiff coarse fabric used to stiffen hats or clothing
  4. cruise liner a passenger ship used commercially for pleasure cruises
  5. Carl von Linne Swedish botanist who proposed the modern system of biological nomenclature (1707-1778)
  6. crash landing an emergency landing under circumstances where a normal landing is impossible (usually damaging the aircraft)
  7. regression line a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line
  8. Carolina lupine eastern United States bush pea
  9. crucial of extreme importance; vital to the resolution of a crisis
  10. chorus line a body of dancers or singers who perform together
  11. Gracie Allen United States comedienne remembered as the confused but imperturbable partner of her husband, George Burns (1906-1964)
  12. cross-link join by creating covalent bonds
  13. criminal negligence (law) recklessly acting without reasonable caution and putting another person at risk of injury or death (or failing to do something with the same consequences)
  14. crucible a vessel used for high temperature chemical reactions
  15. Green Line the border marking the boundaries of the land that Israel won in its 1948 war of independence
  16. cranial nerve any of the 12 paired nerves that originate in the brain stem
  17. reception line a line of people who welcome the guests at a reception party
  18. tree celandine small Central American tree having loose racemes of purple-tinted green flowers
  19. cruciality a state of critical urgency
  20. cross-linkage a side bond that links two adjacent chains of atoms in a complex molecule