Vocabulary Review

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Across
  1. 4. excessive pigmentation, as of the skin
  2. 5. continuing a long time or recurring frequently
  3. 7. element used for making pigments
  4. 9. under the skin
  5. 10. made of shades of a single colour
  6. 11. science of determining the order in which things occur
  7. 12. many-coloured
  8. 13. lack of colour
  9. 14. occurring at the same time
Down
  1. 1. something out of place or time
  2. 2. relating to both time and temperature
  3. 3. producing colour
  4. 6. timekeeping device of great accuracy, especially used in measuring longitude.
  5. 8. study of the ages of geological events
  6. 11. optical instrument used to study various properties of colour, including value and intensity