Synonyms
Antonyms
Etymology

1. radiation

noun. ['ˌreɪdiːˈeɪʃən'] energy that is radiated or transmitted in the form of rays or waves or particles.

Synonyms

  • ionizing radiation
  • solar radiation
  • energy
  • electromagnetic radiation
  • nonparticulate radiation
  • electromagnetic wave
  • cosmic radiation

Antonyms

  • defense
  • centralization
  • gather
  • stay in place

Etymology

  • radiatio (Latin)

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Words that Rhyme with Optic Radiation

  • deinstitutionalization
  • institutionalization
  • self-congratulation
  • antidiscrimination
  • telecommunication
  • nondiscrimination
  • misrepresentation
  • mischaracterization
  • internationalization
  • industrialization
  • decriminalization
  • transillumination
  • self-determination
  • renationalization
  • recapitalization
  • prestidigitation
  • misinterpretation
  • misidentification
  • miscommunication
  • experimentation
  • excommunication
  • disqualification
  • discontinuation
  • denationalization
  • decentralization
  • transplantation
  • singularization
  • self-perpetuation
  • securitization
  • reinterpretation

2. radiation

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

Synonyms

  • emanation
  • emission

Antonyms

  • assembly
  • discontinuation
  • peristalsis

Etymology

  • radiatio (Latin)

3. radiation

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

Synonyms

  • natural action
  • natural process
  • activity
  • action
  • spreading
  • spread

Antonyms

  • inaction
  • passive
  • active
  • stabilisation

Etymology

  • radiatio (Latin)

4. radiation

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

Synonyms

  • radiotherapy
  • therapy
  • radiation therapy
  • phototherapy
  • Curietherapy
  • irradiation
  • actinotherapy
  • radium therapy

Antonyms

  • activation
  • sink
  • source
  • inactivity

Etymology

  • radiatio (Latin)

5. radiation

noun. ['ˌreɪdiːˈeɪʃən'] syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours.

Synonyms

  • syndrome
  • radiation sickness

Antonyms

  • uncover
  • unprepared

Etymology

  • radiatio (Latin)

6. radiation

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

Antonyms

  • dormant

Etymology

  • radiatio (Latin)

7. radiation

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

Synonyms

  • particulate radiation
  • radioactivity
  • emission

Antonyms

  • cross
  • concentration
  • stand still
  • concentrated

Etymology

  • radiatio (Latin)

8. optic

noun. ['ˈɑːptɪk'] the organ of sight.

Synonyms

  • third eyelid
  • eye muscle
  • uveoscleral pathway
  • orb
  • cornea
  • sensory receptor
  • peeper
  • epicanthus
  • crystalline lens
  • sense organ
  • choroid
  • lid
  • arteria lacrimalis
  • sclerotic coat
  • ciliary artery
  • nictitating membrane
  • OD
  • vena lacrimalis
  • sclera
  • oculus dexter
  • simple eye
  • ciliary body
  • ocellus
  • visual system
  • eyelid
  • receptor
  • lacrimal apparatus
  • eyeball
  • stemma
  • pupillary sphincter
  • uvea
  • oculus sinister
  • OS
  • lens of the eye
  • central artery of the retina
  • eye
  • ocular muscle
  • naked eye
  • lacrimal vein
  • human face
  • epicanthic fold
  • conjunctiva
  • musculus sphincter pupillae
  • compound eye
  • face
  • lens
  • arteria centralis retinae
  • retina
  • lacrimal artery
  • aperture
  • canthus
  • choroid coat
  • palpebra
  • iris
  • oculus

Antonyms

  • avoid
  • back
  • uncover
  • invisible

Etymology

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

9. optic

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

Synonyms

  • ocular
  • optical

Antonyms

  • front
  • rear
  • windward

Etymology

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

10. optic

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

Synonyms

  • ocular
  • optical

Antonyms

  • inattention
  • fixed-width font
  • proportional font

Etymology

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