crossword 1

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Across
  1. 3. Short-lived insect
  2. 4. To go stealthily or furtively
  3. 5. American gurnard; mostly found in bays and estuaries
  4. 6. Resembling a circle
  5. 10. (of gases) capable of expansion
  6. 12. (Greek mythology) the husband of Medea and leader of the Argonauts who sailed in quest of the Golden Fleece
Down
  1. 1. Optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
  2. 2. Something that is strikingly attractive or has great popular appeal
  3. 7. A fashion in which clothes designed for athletic workouts as used as general leisure wear
  4. 8. One of the chaffy scales or bractlets growing on the receptacle of many compound flowers
  5. 9. A wealthy and privileged person
  6. 11. A trap for animals, consisting of a heavy board or log that falls on to the animal