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Meaning of “free radical” in the English Dictionary

"free radical" in British English

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free radicalnoun [C often plural]

uk   /ˌfriː ˈræd.ɪ.kəl/  us   /ˌfriː ˈræd.ɪ.kəl/ specialized
a molecule that has an extra electron and therefore reacts very easily with other molecules: Free radicals have been implicated in cancer and many other serious diseases.
(Definition of free radical from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “free radical”
in Chinese (Simplified) 自由基,游离基…
in Chinese (Traditional) 自由基,遊離基…
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