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