Definitions
1.AdjectiveOf or pertaining to the root of a plant.
2.AdjectiveOf or pertaining to the root of a word.
3.AdjectiveProduced using the root of the tongue.
4.AdjectiveRelating to a radix or mathematical root."a radical quantity; a radical sign"
5.AdjectivePertaining to the basic or intrinsic nature of something.
6.AdjectiveFavoring fundamental change, or change at the root cause of a matter."His beliefs are radical."
7.AdjectiveThoroughgoing; far-reaching."The spread of the cancer required radical surgery, and the entire organ was removed."
8.AdjectiveInvolving free radicals.
9.AdjectiveExcellent; awesome."That was a radical jump!"
10.NounA root (of a number or quantity).
11.NounIn logographic writing systems such as the Chinese writing system, the portion of a character used to index it. Often, but not always, this is also the portion indicating meaning; compare the following sense.
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 being wholly phonetic.
12.NounIn 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 being wholly phonetic.
13.NounAny component of a logographic character, whether used for indexing or not, whether semantic or not.
14.NounIn Celtic languages, the basic, underlying form of an initial consonant which can be further mutated under the Celtic initial consonant mutations.
15.NounIn Semitic languages, any one of the set of consonants (typically three) that make up a root.
16.NounA group of atoms, joined by covalent bonds, that take part in reactions as a single unit.
17.NounA free radical.
18.NounGiven an ideal I in a commutative ring R, another ideal, denoted Rad(I) or
I
{\displaystyle {\sqrt {I}}}
, such that an element x ∈ R is in Rad(I) if, for some positive integer n, x ∈ I; equivalently, the intersection of all prime ideals containing I.
19.NounGiven a ring R, an ideal containing elements of R that share a property considered, in some sense, "not good".
20.NounThe intersection of maximal submodules of a given module.
21.NounThe product of the distinct prime factors of a given positive integer.
22.NounA member of the most progressive wing of the Liberal Party; someone favouring social reform (but generally stopping short of socialism).
23.NounA member of an influential, centrist political party favouring moderate social reform, a republican constitution, and secular politics.
24.NounA person with radical opinions.