Radicaladjective
Favoring fundamental change, or change at the root cause of a matter.
Radicaladjective
Pertaining to a root of a plant.
Radicaladjective
Pertaining to the basic or intrinsic nature of something.
Radicaladjective
Thoroughgoing; far-reaching.
Radicaladjective
Of or pertaining to the root of a word.
Radicaladjective
Produced using the root of the tongue.
Radicaladjective
Involving free radicals.
Radicaladjective
(math) Relating to a radix or mathematical root.
Radicaladjective
Excellent; awesome.
Radicalnoun
(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).
Radicalnoun
(historical: early 20th-century France) A member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics.
Radicalnoun
A person with radical opinions.
Radicalnoun
(arithmetic) A root (of a number or quantity).
Radicalnoun
(linguistics) In logographic writing systems such as the Chinese writing system, the portion of a character (if any) that provides an indication of its meaning, as opposed to phonetic.
Radicalnoun
(linguistics) In Semitic languages, any one of the set of consonants (typically three) that make up a root.
Radicalnoun
(chemistry) A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
Radicalnoun
(organic chemistry) A free radical.
Radicalnoun
Given an ideal I in a commutative ring R, another ideal, denoted Rad(I) or \sqrt{I}, such that an element x ∈ R is in Rad(I) if, for some positive integer n, xn ∈ I; equivalently, the intersection of all prime ideals containing I.
Radicalnoun
Given a ring R, an ideal containing elements of R that share a property considered, in some sense, "not good".
Radicalnoun
The intersection of maximal submodules of a given module.
Radicalnoun
(number theory) The product of the distinct prime factors of a given positive integer.
Radicaladjective
Of or pertaining to the root; proceeding directly from the root.
Radicaladjective
Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party.
Radicaladjective
Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
Radicaladjective
Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form.
Radicaladjective
Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
Radicalnoun
A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon.
Radicalnoun
One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; - opposed to conservative.
Radicalnoun
A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom.
Radicalnoun
Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; - called also a compound radical. Cf. Residue.
Radicalnoun
A radical quantity. See under Radical, a.
Radicalnoun
A radical vessel. See under Radical, a.
Radicalnoun
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Radicalnoun
an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule;
Radicalnoun
a person who has radical ideas or opinions
Radicalnoun
a character conveying the lexical meaning of a logogram
Radicalnoun
a sign placed in front of an expression to denote that a root is to be extracted
Radicalnoun
(linguistics) the form of a word after all affixes are removed;
Radicaladjective
(used of opinions and actions) far beyond the norm;
Radicaladjective
markedly new or introducing radical change;
Radicaladjective
arising from or going to the root;
Radicaladjective
of or relating to or constituting a linguistic root;
Radicaladjective
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;
Reactionaryadjective
Politically favoring a return to a supposed golden age of the past.
Reactionaryadjective
(chemistry) Of, pertaining to, participating in or inducing a chemical reaction.
Reactionarynoun
One who is opposed to change.
Reactionarynoun
One who is very conservative.
Reactionaryadjective
Being, causing, or favoring reaction; as, reactionary movements.
Reactionarynoun
One who favors reaction, or seeks to undo political progress or revolution.
Reactionarynoun
an extreme conservative; an opponent of progress or liberalism
Reactionaryadjective
extremely conservative
Reactionary
In political science, a reactionary or reactionist is a person or entity holding political views that favor a return to a previous political state of society that they believe possessed positive characteristics that are absent in contemporary society. As an adjective, the word reactionary describes points of view and policies meant to restore a past status quo.