radiobiology

1 of 2

noun

ra·​dio·​bi·​ol·​o·​gy ˌrā-dē-ō-bī-ˈä-lə-jē How to pronounce radiobiology (audio)
: a branch of biology dealing with the effects of radiation or radioactive materials on biological systems
radiobiological
ˌrā-dē-ō-ˌbī-ə-ˈlä-ji-kəl How to pronounce radiobiology (audio)
adjective
or less commonly radiobiologic
ˌrā-dē-ō-ˌbī-ə-ˈlä-jik How to pronounce radiobiology (audio)
radiobiologically
ˌrā-dē-ō-ˌbī-ə-ˈlä-ji-k(ə-)lē How to pronounce radiobiology (audio)
adverb
radiobiologist
ˌrā-dē-ō-bī-ˈä-lə-jist How to pronounce radiobiology (audio)
noun

radiobiological

2 of 2

adjective

ra·​dio·​bi·​o·​log·​i·​cal ¦rā-dē-ō-ˌbī-ə-¦lä-ji-kəl How to pronounce radiobiological (audio)
variants or radiobiologic
¦rā-dē-ō-ˌbī-ə-¦lä-jik How to pronounce radiobiological (audio)
: relating to, produced by, or employing radiobiology
radiobiologically
¦rā-dē-ō-ˌbī-ə-¦lä-ji-k(ə-)lē How to pronounce radiobiological (audio)
adverb

Word History

Etymology

Adjective

radiobiology + -ical or -ic

First Known Use

Noun

1919, in the meaning defined above

Time Traveler
The first known use of radiobiology was in 1919

Rhymes for radiobiology

See All Rhymes for radiobiology

Browse Nearby Words

radiobiological
radiobiology
radiobroadcast
See all Nearby Words

Cite this Entry

“Radiobiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiobiology. Accessed 7 Jul. 2026.

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Medical Definition

radiobiology

noun
ra·​dio·​bi·​ol·​o·​gy ˌrād-ē-ō-bī-ˈäl-ə-jē How to pronounce radiobiology (audio)
plural radiobiologies
: a branch of biology dealing with the effects of radiation or radioactive materials on biological systems
radiobiological
-ˌbī-ə-ˈläj-i-kəl How to pronounce radiobiology (audio)
adjective
also radiobiologic
-ik How to pronounce radiobiology (audio)
radiobiologically
-i-k(ə-)lē How to pronounce radiobiology (audio)
adverb

More from Merriam-Webster on radiobiology

Britannica.com: Encyclopedia article about radiobiology

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