Definition of free radical in English:

free radical

Line breaks: free rad|ical

noun

Chemistry
  • An uncharged molecule (typically highly reactive and short-lived) having an unpaired valency electron.
    More example sentences
    • It is produced through a free radical polymerization reaction of styrene monomers.
    • This free radical attacks the double bonds on other monomers creating a longer chain molecule and an additional free radical.
    • In the free radical polymerization of ethylene to form polyethylene, a small amount of a peroxide is added to a large volume of ethylene.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody