free radical — n technical an atom or group of atoms with at least one free ↑electron, which combines with other atoms very easily ▪ It is thought that free radicals can damage cells … Dictionary of contemporary English
free radical — noun count SCIENCE a molecule that has an extra ELECTRON and can react very easily with other molecules. Free radicals sometimes form in the human body and can cause cancer … Usage of the words and phrases in modern English
free radical — n. an atom or molecule having at least one unpaired electron: free radicals are usually reactive and unstable … English World dictionary
free radical — noun an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule (Freq. 2) in the body free… … Useful english dictionary
free radical — UK / US noun [countable] Word forms free radical : singular free radical plural free radicals science a molecule that has an extra electron and can react very easily with other molecules. Free radicals sometimes form in the human body and can… … English dictionary
free radical — laisvasis radikalas statusas T sritis fizika atitikmenys: angl. free radical vok. freies Radikal, n rus. свободный радикал, m pranc. radical libre, m … Fizikos terminų žodynas
free radical — laisvasis radikalas statusas T sritis chemija apibrėžtis Atomas arba grupė, turinti orbitalę su nesuporuotu elektronu. atitikmenys: angl. free radical rus. свободный радикал … Chemijos terminų aiškinamasis žodynas
Free radical addition — is an addition reaction in organic chemistry involving free radicals [L.G. Wade s Organic Chemistry 5th Ed. (p 319) Mechanism supplements original.] . The addition may occur between a radical and a non radical, or between two radicals.The basic… … Wikipedia
Free radical (disambiguation) — Free radical is a chemistry term that describes an atomic or molecular species with unpaired electrons on an otherwise open shell configuration. The term may also refer to one of the following.Chemistry*Free radical addition An addition reaction… … Wikipedia
Free-radical (culture) — Free radical, is a term regarding a sub cultural trend, originating in the early 21st century.The Free radical movement is part of a new trend being observed in the 21st Century. Members within this group identify themselves as “Free radicals”.… … Wikipedia
