Definition

A substance that contains a small amount of radioactive material, used in medical imaging or research to track processes in the body or other systems.

Example

The doctor used a radiotracer to help visualize the patient's organs during the scan.

Conversation

Did you hear about the new radiotracer they're using in medical scans?

Yeah, I read it's really effective for detecting diseases.

I think it's amazing how technology can help doctors so much.

Absolutely! It makes diagnosing conditions a lot easier.

Synonyms & Antonyms

Root Explanation

Radiotracer → It is formed from "radio-" (from Latin *radius*, meaning ray) and "tracer" (from the verb "trace", meaning to follow or track). The word "radiotracer" refers to a substance that emits radiation and is used to track or follow processes in various scientific fields.

Memory Tip

Think of 'rays' ('radio-') that help 'track' ('tracer') something in science, like how a radiotracer is used to follow processes.

Visually Confused Words