Radical
Part of speech: adjective
Definition: Favouring fundamental change, or change at the root cause of a matter. Of or pertaining to a root . Of or pertaining to the intrinsic nature of something. Thoroughgoing. Of or pertaining to the root of a word. Involving free radicals Excellent.
Part of speech: noun
Definition: A member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism). A member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics. A person with radical opinions. A root (of a number or quantity). In logographic writing systems as the Chinese writing system, the portion of a character (if any) that provides an indication of its meaning, as opposed to phonetic. In Semitic languages, any one of the set of consonants (typically three) that make up a root. A group of atoms, joined by covalent bonds, that take part in reactions as a single unit. A free radical.
Example sentence: The conservative who resists change is as valuable as the radical who proposes it.
Descriptor
Part of speech: noun
Definition: The name of a category of data in an information storage and retrieval system.A word that describes the subject of an article or book.