A person with radical opinions.
A root (of a number or quantity).
In Celtic languages, refers to the basic, underlying form of an initial consonant which can be further mutated under the Celtic initial consonant mutations.
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.
In Semitic languages, any one of the set of consonants (typically three) that make up a root.
A free radical.
Given an ideal I in a commutative ring R, another ideal, denoted Rad(I) or √, 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.
The intersection of maximal submodules of a given module.
A member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism).
Given a ring R, an ideal containing elements of R that share a property considered, in some sense, "not good".
A group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
A member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics.
The product of the distinct prime factors of a given positive integer.
Relating to a radix or mathematical root.
Thoroughgoing; far-reaching.
Involving free radicals.
Favoring fundamental change, or change at the root cause of a matter.
Excellent; awesome.
Produced using the root of the tongue.
Pertaining to a root (of a plant).
Pertaining to the basic or intrinsic nature of something.
Of or pertaining to the root of a word.
A left-wing, environmentalist or hippie person.