Definition of radical

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Radical (a.) 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..

Lern More About Radical

Triatomic :: Triatomic (a.) Having three atoms; -- said of certain elements or radicals.
Radix :: Radix (n.) A primitive word, from which spring other words; a radical; a root; an etymon..
Left :: Left (n.) Those members of a legislative assembly (as in France) who are in the opposition; the advanced republicans and extreme radicals. They have their seats at the left-hand side of the presiding officer. See Center, and Right..
Replaceable :: Replaceable (a.) Capable of being replaced (by), or of being exchanged (for); as, the hydrogen of acids is replaceable by metals or by basic radicals..
Formative :: Formative (a.) Serving to form; derivative; not radical; as, a termination merely formative..
Heptyl :: Heptyl (n.) A compound radical, C7H15, regarded as the essential radical of heptane and a related series of compounds..
Paronymous :: Paronymous (a.) Having the same derivation; allied radically; conjugate; -- said of certain words, as man, mankind, manhood, etc..
Base :: Base (n.) The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; -- applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids..
Indogen :: Indogen (n.) A complex, nitrogenous radical, C8H5NO, regarded as the essential nucleus of indigo..
Ketone :: Ketone (n.) One of a large class of organic substances resembling the aldehydes, obtained by the distillation of certain salts of organic acids and consisting of carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor..
Surd :: Surd (a.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number..
Mon- :: Mon- () A prefix signifying one, single, alone; as, monocarp, monopoly; (Chem.) indicating that a compound contains one atom, radical, or group of that to the name of which it is united; as, monoxide, monosulphide, monatomic, etc..
Center :: Center (n.) Those members of a legislative assembly (as in France) who support the existing government. They sit in the middle of the legislative chamber, opposite the presiding officer, between the conservatives or monarchists, who sit on the right of the speaker, and the radicals or advanced republicans who occupy the seats on his left, See Right, and Left..
#NAME? :: -ide () A suffix used to denote: (a) The nonmetallic, or negative, element or radical in a binary compound; as, oxide, sulphide, chloride. (b) A compound which is an anhydride; as, glycolide, phthalide. (c) Any one of a series of derivatives; as, indogenide, glucoside, etc..
Intransigentes :: Intransigentes (n. pl.) The extreme radicals; the party of the irreconcilables.
Selenonium :: Selenonium (n.) A hypothetical radical of selenium, analogous to sulphonium..
Telluride :: Telluride (n.) A compound of tellurium with a more positive element or radical; -- formerly called telluret.
Root :: Root (v. t.) To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly in the participle; as, rooted trees or forests; rooted dislike..
Sulphydrate :: Sulphuryl (n.) The hypothetical radical SO2; -- called also sulphon.
Tolylene :: Tolylene (n.) A hydrocarbon radical, C6H4.(CH2)2, regarded as characteristic of certain toluene derivatives..
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