radical
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(linguistics) the form of a word after all affixes are removed
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a sign indicating the extraction of a roottype of:signoa character indicating a relation between quantities
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a person who has radical ideas or opinionsexamples:Mao Tse-tungChinese communist leader (1893-1976)types:terroristaa radical who employs terror as a political weapon; usually organizes with other terrorists in small cells; often uses religion as a cover for terrorist activitiescontrarrevolucionarioa revolutionary whose aim is to reverse the changes introduced by an earlier revolutionpirata informáticoa programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorismamotinado, insurgente, insurrecto, rebeldea person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)jacobinoa member of the radical movement that instituted the Reign of Terror during the French Revolution
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(chemistry) two or more atoms bound together as a single unit and forming part of a moleculetypes:nitritothe radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)viniloa univalent chemical radical derived from ethyleneetilothe univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atommetilothe univalent radical CH3- derived from methanetype of:unidada single undivided natural thing occurring in the composition of something else
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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 moleculetype of:átomo(physics and chemistry) the smallest component of an element having the chemical properties of the element
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Vocabulary lists containing radical
Three young refugees — a Jewish boy fleeing Nazi Germany in 1939, a Cuban girl suffering under the Castro regime in 1994, and a Muslim boy trying to escape war-torn Syria in 2015 — make desperate journeys in search of freedom and safety.
Don your liberty cap and learn these words related to the French Revolution. This vocabulary list covers the overthrow of the monarchy, the establishment of a republic, the Reign of Terror, the coup d’état of Napoleon Bonaparte, and more.
These 100 words were plucked from Ray Bradbury's dystopian novel ''Fahrenheit 451,'' published in 1953. Find more Summer Reading Vocabulary Lists here.