Antonyms
Synonyms

3. radiation

noun. ['ˌreɪdiːˈeɪʃən'] the act of spreading outward from a central source.

Etymology

  • radiation (English)
  • radiatio (Latin)

4. radiation

noun. ['ˌreɪdiːˈeɪʃən'] the spread of a group of organisms into new habitats.

Etymology

  • radiation (English)
  • radiatio (Latin)

5. radiation

noun. ['ˌreɪdiːˈeɪʃən'] (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance.

Etymology

  • radiation (English)
  • radiatio (Latin)

6. radiation

noun. ['ˌreɪdiːˈeɪʃən'] a radial arrangement of nerve fibers connecting different parts of the brain.

Synonyms

Etymology

  • radiation (English)
  • radiatio (Latin)

7. radiation

noun. ['ˌreɪdiːˈeɪʃən'] the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.

Antonyms

Etymology

  • radiation (English)
  • radiatio (Latin)

8. optic

adjective. ['ˈɑːptɪk'] of or relating to or resembling the eye.

Synonyms

Etymology

  • optic (English)
  • opticus (Latin)
  • ὀπτικός (Ancient Greek (to 1453))

9. optic

noun. ['ˈɑːptɪk'] the organ of sight.

Etymology

  • optic (English)
  • opticus (Latin)
  • ὀπτικός (Ancient Greek (to 1453))

10. optic

adjective. ['ˈɑːptɪk'] relating to or using sight.

Synonyms

Etymology

  • optic (English)
  • opticus (Latin)
  • ὀπτικός (Ancient Greek (to 1453))
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