Choose the perfect synonym or antonym for the word Energy that travels in the form of waves or particles, which can be natural or man-made.
Radiation
/ˌreɪdiˈeɪʃn/Synonyms:
Antonyms:
Examples:
By that time, Shigematsu himself was showing symptoms of radiation sickness.
Yasuko has begun to show symptoms of radiation sickness.
That shielded the counters from stray radiation from the neutron source.
Etymology:
From Latin radiationem meaning a shining, beam of light, derived from radius meaning ray, spoke of a wheel. The term was adopted into English in the late 14th century.
Usage Statistics:
21 mentions per 1 million words 
Hint: Frequency according to COCA
Often
Hint: Frequency according to COCA
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