radiolabeled
Upper-Intermediate (B2)
IPA: //ˈreɪdiˌoʊˌleɪbɛld//
KK: /ˈreɪdiˌoʊˌleɪbld/
adjective
Definition
Describing something that has been marked or tagged with a radioactive substance for the purpose of tracking or studying it.
Example
The researchers used radiolabeled compounds to trace the movement of the drug in the body.
Conversation
Did you see that new study about radiolabeled compounds?
Yeah, it sounded pretty interesting!
I wonder how they track those radiolabeled substances in the body.
I think they use special imaging techniques to see how they move.
Synonyms & Antonyms
Synonyms
tagged
marked
identified
Antonyms
untagged
unmarked
unknown
verb
Definition
To mark a substance with a radioactive isotope so that it can be tracked or measured in experiments.
Example
The scientists radiolabeled the compound to study its behavior in the body.
Tense Forms
Past: radiolabeled
Past Participle: radiolabeled
Conversation
Did you hear about the experiment where they radiolabeled the cells?
Yeah, it sounded really interesting!
I wonder how they figured out how to radiolabeled them so effectively.
Root Explanation
Radiolabeled → It is formed from "radio-" (from Latin "radius", meaning ray) and "labeled" (from Old French "label", meaning a small note or tag). The term refers to a substance that has been tagged with a radioactive marker, indicating it emits rays.
Memory Tip
Think of 'ray' ('radio-') to remember that 'radiolabeled' means something that has been marked with a radioactive tag.
Visually Confused Words
No commonly confused words.