radiological

American  

[rey-dee-uh-loj-i-kuhl] / ˌreɪ di əˈlɒdʒ ɪ kəl /

Also radiologic

adjective

1. of or relating to radiology.

2. involving radioactive materials.

   radiological warfare.

---

radiological British  

/ ˌreɪdɪəˈlɒdʒɪkəl /

adjective

1. of, relating to, or concerning radiology or the equipment used in radiology

2. of, relating to, or involving radioactive materials

   radiological warfare

---

Other Word Forms

• radiologically adverb

Etymology

Origin of radiological

First recorded in 1905–10; radiolog(y) + -ical

Example Sentences

Both contain vast inventories of radiological materials, such as cesium-137, which could be dispersed during an accident over vast areas, exposing tens of thousands of people, including in nearby Gulf states, to potentially life-threatening radiation.

From The Wall Street Journal • Feb. 1, 2026

Verstralen is a trainee reactor operator, and Lamb will work in radiological protection.

From BBC • Jan. 26, 2026

Hazardous chemicals and low-level radiological contamination were identified, prompting the U.S.

From Los Angeles Times • Nov. 7, 2025

Tutankhamun died aged 18 or 19 between 1323 and 1324 BC, with genetic and radiological studies suggesting malaria combined with a bone disorder as his cause of death.

From Barron's • Nov. 4, 2025

The possibility of a containment breach in unit 2 combined with a meltdown in the unit 4 fuel pool was a radiological nightmare.

From "Meltdown" by Deirdre Langeland