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radical , rad·i·cal / ˈradikəl/ • adj. 1. (esp. of change or action) relating to or affecting the fundamental nature of something; far-reaching or thorough: a… Radicalism , The word radical has a number of meanings, one of which involves “getting to the root of the matter.” This analogy is helpful in focusing attention o… free radicals , free radicals A free radical is any chemical species which contains one or more unpaired electrons and which is capable of an independent existence.… Radical (mathematics) , The radical sign may be one of the stranger-looking mathematical symbols, but its strange looks should not fool anyone. The radical sign has a straig… free radical , free radical An atom or group of atoms with an unpaired valence electron. Free radicals are formed when a bond is broken without forming ions. Becaus… Peterloo Massacre , Synopsis
The Peterloo Massacre took place at St Peter's Fields, Manchester, England, on 16 August 1819. (The name was an ironic reference to the Batt…
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