Associations to the word «Radical»


RADICAL, adjective. Favoring fundamental change, or change at the root cause of a matter.
RADICAL, adjective. (botany) (not comparable) Pertaining to a root (of a plant).
RADICAL, adjective. Pertaining to the basic or intrinsic nature of something.
RADICAL, adjective. Thoroughgoing.
RADICAL, adjective. (linguistics) (not comparable) Of or pertaining to the root of a word.
RADICAL, adjective. (linguistics) (not comparable) (of a sound) Produced using the root of the tongue.
RADICAL, adjective. (chemistry) (not comparable) Involving free radicals.
RADICAL, adjective. (math) Relating to a radix or mathematical root.
RADICAL, adjective. (slang) (1980s & 1990s) Excellent; awesome.
RADICAL, noun. (historical: 19th-century Britain) A member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism).
RADICAL, noun. (historical: early 20th-century France) A member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics.
RADICAL, noun. A person with radical opinions.
RADICAL, noun. (arithmetic) A root (of a number or quantity).
RADICAL, noun. ​(linguistics) 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.
RADICAL, noun. (linguistics) In Semitic languages, any one of the set of consonants (typically three) that make up a root.
RADICAL, noun. (chemistry) A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
RADICAL, noun. (organic chemistry) A free radical.
RADICAL ANION, noun. (chemistry) A negatively charged radical ion.
RADICAL AXES, noun. Plural of radical axis
RADICAL AXIS, noun. (mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
RADICAL CATION, noun. (chemistry) A positively charged radical ion.
RADICAL CENTER, noun. (mathematics) A point, at which the radical lines of three circles meet.
RADICAL ION, noun. (chemistry) Any radical that also carries an electric charge; typically, the charge and unpaired electron are associated with the same atom.
RADICAL IONS, noun. Plural of radical ion
RADICAL LINE, noun. (mathematics) The line containing the locus of points from which the segments respectively tangent to two given circles have equal length.
RADICAL LINES, noun. Plural of radical line
RADICAL PLANE, noun. (mathematics) The plane containing the circle formed by the intersection of two spheres (or whose points have equal power with respect to two non-intersecting spheres)

Dictionary definition

RADICAL, noun. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule.
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; "in the body free radicals are high-energy particles that ricochet wildly and damage cells".
RADICAL, noun. A person who has radical ideas or opinions.
RADICAL, noun. (mathematics) a quantity expressed as the root of another quantity.
RADICAL, noun. A character conveying the lexical meaning of a logogram.
RADICAL, noun. (linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem".
RADICAL, adjective. (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative".
RADICAL, adjective. Markedly new or introducing radical change; "a revolutionary discovery"; "radical political views".
RADICAL, adjective. Arising from or going to the root or source; "a radical flaw in the plan".
RADICAL, adjective. Of or relating to or constituting a linguistic root; "a radical verb form".
RADICAL, adjective. Especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem; "basal placentation"; "radical leaves".

Wise words

The pen is mightier than the sword.
Edward George Bulwer-Lytton