51�Թ�

of or going to the root or origin; fundamental.

extreme, especially as regards change from accepted or traditional forms.

favoring drastic political, economic, or social reforms.

favoring, supporting, or representing extreme forms of religious fundamentalism.

forming a basis or foundation.

existing inherently in a thing or person.

characterized by a marked departure from prevailing methods, practices, or ideas, particularly in the arts; experimental; unorthodox.

Slang.��excellent; wonderful; cool; rad.

Mathematics.��

1. pertaining to or forming a root.

2. denoting or pertaining to the radical sign.

3. irrational.

Grammar.��of or pertaining to the root of a word.

Botany.��of or arising from the root or the base of the stem.

a person who holds or follows strong convictions or extreme principles; extremist.

a person who advocates fundamental political, economic, and social reforms by direct and often uncompromising methods.

Mathematics.��

1. a quantity expressed as a root of another quantity.

2. the set of elements of a ring, some power of which is contained in a given ideal.

3. radical sign.

Chemistry.��

1. group.

2. free radical.

Grammar.��root.

(in Chinese writing) one of 214 ideographic elements used in combination with phonetics to form thousands of different characters.