Definition of Radical. Meaning of Radical. Synonyms of Radical
Here you will find one or more explanations in English for the word Radical.
Also in the bottom left of the page several parts of wikipedia pages related to the word Radical and, of course, Radical synonyms and on the right images related to the word Radical.
Definition of Radical
RadicalRadical Rad"i*cal, a. [F., fr. L. radicalis having roots, fr.
radix, -icis, a root. See Radix.]
1. Of or pertaining to the root; proceeding directly from the
2. 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.
The most determined exertions of that authority,
against them, only showed their radical
(a) Belonging to, or proceeding from, the root of a plant;
as, radical tubers or hairs.
(b) Proceeding from a rootlike stem, or one which does not
rise above the ground; as, the radical leaves of the
dandelion and the sidesaddle flower.
4. (Philol.) Relating, or belonging, to the root, or ultimate
source of derivation; as, a radical verbal form.
5. (Math.) Of or pertaining to a radix or root; as, a radical
quantity; a radical sign. See below.
Radical axis of two circles. (Geom.) See under Axis.
Radical pitch, the pitch or tone with which the utterance
of a syllable begins. --Rush.
Radical quantity (Alg.), a quantity to which the radical
sign is prefixed; specifically, a quantity which is not a
perfect power of the degree indicated by the radical sign;
Radical sign (Math.), the sign [root] (originally the
letter r, the initial of radix, root), placed before any
quantity, denoting that its root is to be extracted; thus,
[root]a, or [root](a + b). To indicate any other than the
square root, a corresponding figure is placed over the
sign; thus [cuberoot]a, indicates the third or cube root
Radical stress (Elocution), force of utterance falling on
the initial part of a syllable or sound.
Radical vessels (Anat.), minute vessels which originate in
the substance of the tissues.
Syn: Primitive; original; natural; underived; fundamental;
Usage: Radical, Entire. These words are frequently
employed as interchangeable in describing some marked
alternation in the condition of things. There is,
however, an obvious difference between them. A radical
cure, reform, etc., is one which goes to the root of
the thing in question; and it is entire, in the sense
that, by affecting the root, it affects in a
appropriate degree the entire body nourished by the
root; but it may not be entire in the sense of making
a change complete in its nature, as well as in its
extent. Hence, we speak of a radical change; a radical
improvement; radical differences of opinion; while an
entire change, an entire improvement, an entire
difference of opinion, might indicate more than was
actually intended. A certain change may be both
radical and entire, in every sense. RadicalRadical Rad"i*cal, n.
(a) A primitive word; a radix, root, or simple, underived,
uncompounded word; an etymon.
(b) A primitive letter; a letter that belongs to the
The words we at present make use of, and
understand only by common agreement, assume a
new air and life in the understanding, when you
trace them to their radicals, where you find
every word strongly stamped with nature; full of
energy, meaning, character, painting, and
2. (Politics) One who advocates radical changes in government
or social institutions, especially such changes as are
intended to level class inequalities; -- opposed to
In politics they [the Independents] were, to use
phrase of their own time. ``Root-and-Branch men,'
or, to use the kindred phrase of our own, Radicals.
(a) A characteristic, essential, and fundamental
constituent of any compound; hence, sometimes, an
As a general rule, the metallic atoms are basic
radicals, while the nonmetallic atoms are acid
radicals. --J. P. Cooke.
(b) 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.
4. (Alg.) A radical quantity. See under Radical, a.
An indicated root of a perfect power of the degree
indicated is not a radical but a rational quantity
under a radical form. --Davies &
5. (Anat.) A radical vessel. See under Radical, a.
Meaning of Radical from wikipedia
- Look up radical
in Wiktionary, the free dictionary. Radical
radicalism, the Radical Movement
in late 18th century
- radicals highly chemically
reactive. Many radicals spontaneously
dimerize. Most organic radicals
lifetimes. A notable example
of a radical
- Radical feminism
is a perspective within feminism
for a radical
re-ordering of society
in all social
- The Radical Republicans
(later also known
as "Stalwarts") were a faction within
the Republican Party originating
from the party's founding
left may refer
can (but does not always
any of the following: Far-left politics
- In mathematics, the radical
sign, root symbol, radix, or surd is a symbol
for the square
root or higher-order root of a number. The square...
- The term radical center
centrism, a political movement
construct: also called
the power center
(geometry) This disambiguation...
- a branch
of mathematics, a radical
of a ring is an ideal
of "not-good" elements
of the ring. The first example
of a radical
was the nilradical
(Chinese: 康熙部首; pinyin: Kāngxī bùshǒu), also known
as the Zi**** radicals
, form a system
(部首) of Chinese
characters. The radicals
centrism, also called
center, the radical
centre, and the radical
middle, is a concept
in Western nations
in the late 20th...
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