| antiradical |
combined form of radical. |
| carbonyl |
a metal compound containing a radical of one atom of carbon and one of oxygen, or this radical itself. |
| disulfide |
a chemical compound in which two atoms of sulfur are combined with another element or radical. |
| drastic |
severe or extreme; radical. [1/2 definitions] |
| ethyl |
in chemistry, containing the monovalent hydrocarbon radical. [2/3 definitions] |
| extremist |
a person who takes a radical stand and encourages radical action or thinking, esp. in politics. [1/3 definitions] |
| freak1 |
something highly unusual and seemingly without cause, such as a snowstorm in summer or a sudden, radical change of mind. [1/4 definitions] |
| Jacobin |
a member of a society of radical democrats that used terrorist tactics during the French Revolution. [2/3 definitions] |
| left wing |
a faction of a political party or other group that advocates liberal reform or radical, revolutionary change, esp. in the social, political, or economic order. (Cf. right wing.) |
| Menshevik |
a member of the Russian Social Democratic party that opposed the more radical Bolsheviks during the Russian Revolution. [1/2 definitions] |
| monad |
an atom, element, or radical with a valence of one. [1/3 definitions] |
| monobasic |
of or designating an acid molecule containing one hydrogen atom that is replaceable by a metal or positive radical. |
| New Left |
a radical political movement from the 1960s advocating revolutionary changes in the political, social, and economic structure of society, esp. U.S. society. |
| phenyl |
the monovalent radical that forms the basis of several aromatic compounds, such as benzene, phenol, and aniline. |
| phosphide |
a chemical compound made of trivalent phosphorus and a radical or another element. |
| Progressive Party |
any of three short-lived U.S. political parties of the early and mid-twentieth century that advocated policies considered progressive or radical in their time. |
| propyl |
a monovalent organic radical of three carbon and seven hydrogen atoms. |
| radicalism |
the advocacy of radical political or social changes. [1/2 definitions] |
| radicalize |
to make or become radical, esp. in political or social ideas. |
| radicand |
in mathematics, the number, variable, or quantity under a radical sign. |
| sans-culotte |
any extreme radical or revolutionary. [1/2 definitions] |