radiological

adjective

ra·​dio·​log·​i·​cal ˌrā-dē-ə-ˈlä-ji-kəl 

variants or radiologic

ˌrā-dē-ə-ˈlä-jik 

1

: of or relating to radiology

2

: of or relating to nuclear radiation

radiologically

ˌrā-dē-ə-ˈlä-ji-k(ə-)lē 

adverb

Examples of radiological in a Sentence

Recent Examples on the Web

Operators feed uranium gas into centrifuges that spin between 50,000 and 70,000 rotations per minute, Anna Erickson, professor of nuclear and radiological engineering ​at Georgia Institute of Technology, said on Substack on Tuesday. —Max Zahn, ABC News, 17 Apr. 2026

This protection includes cases when AI causes or materially enables the creation or use of chemical, biological, radiological, or nuclear weapons. —Jacqueline Munis, Fortune, 17 Apr. 2026

The Marines said Tuesday that 11th MEU forces were spending part of the day conducting chemical, biological, radiological and nuclear training at sea. —Gary Robbins, San Diego Union-Tribune, 14 Apr. 2026

With the clock ticking on US strikes against Iranian power plants, nuclear officials are raising the alarm over a region-wide radiological event if Israeli or US forces target the Persian Gulf nation’s Bushehr nuclear plant. —Jonathan Tirone, Bloomberg, 7 Apr. 2026

Word History

First Known Use

1905, in the meaning defined at sense 1

Rhymes for radiological

• analogical
• astrological
• biological
• christological
• chronological
• cosmological
• cytological
• dialogical
• ecological
• ethnological
• ethological
• geological

Medical Definition

radiological

adjective

ra·​dio·​log·​i·​cal ˌrād-ē-ə-ˈläj-i-kəl 

variants or radiologic

-ik 

1

: of or relating to radiology

radiological treatment

2

: of or relating to especially nuclear radiation

radiological physics

specifically : producing or capable of producing casualties by nuclear radiation

radiological hazards

radiologically

-i-k(ə-)lē 

adverb