different between radioactive vs radiobiology

English

Alternative forms

• radio-active (dated)

Etymology

Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- +? active.

Pronunciation

• (Received Pronunciation) IPA^(key): /??e?dio??akt?v/
• (US) IPA^(key): /??e?dio??ækt?v/
• Rhymes: -ækt?v

Adjective

radioactive (comparative more radioactive, superlative most radioactive)

1. Exhibiting radioactivity.
2. (figuratively, rare) Dangerous and disgusting, particularly of people or ideas.

   (The addition of quotations indicative of this usage is being sought:)

Derived terms

• nonradioactive
• radioactively

Translations

Noun

radioactive (plural radioactives)

1. Any radioactive substance.
   • 2016, Travis S. Taylor, Les Johnson, On to the Asteroid

     Any ship nearby will receive a lethal dose of gamma rays, neutrons, and other radioactives.

Further reading

• “radioactive”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• radioactive on Wikipedia.Wikipedia

French

Adjective

radioactive

1. feminine singular of radioactif

English

Etymology

radio- +? biology

Noun

radiobiology (uncountable)

1. (biology) The study of the effects of ionizing radiation on living organisms
2. (biochemistry) The use of radioactive labels to study biological processes

Synonyms

• (biology): actinobiology, radiation biology