| 单词 | free radical |
| 释义 | free radicalWord forms: plural free radicals countable noun [usually plural] Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of ageing, heart disease, and some cancers. [technical]free radical in British Englishnoun an atom or group of atoms containing at least one unpaired electron and existing for a brief period of time before reacting to produce a stable molecule Sometimes shortened to: radical. Compare group (sense 10)free radical in American English an atom or molecule having at least one unpaired electron: free radicals are usuallyvery reactive and unstable, and can damage healthy body cells free radical in the Pharmaceutical Industry (fri rædɪkəl) Word forms: (regular plural) free radicals noun (Pharmaceutical: Physiology) Free radicals are atoms that contain one or more unpaired electrons. Free radicals are believed to be a cause of aging, heart disease, and some cancers. Free radicals are molecules thought to be responsible for aging and skin damage. It is believed that unpaired electrons, called free radicals, can damage cells in the body. Free radicals are atoms that contain one or more unpaired electrons. Examples of 'free radical' in a sentence |
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