Definition of radical

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Radical (a.) Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below..

Lern More About Radical

Alcohol :: Alcohol (n.) A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5.OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc..
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..
Radicalness :: Radicalness (n.) Quality or state of being radical.
Conservative :: Conservative (n.) One who desires to maintain existing institutions and customs; also, one who holds moderate opinions in politics; -- opposed to revolutionary or radical..
Sulphophosphate :: Sulphonium (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines..
Quinoyl :: Quinoyl (n.) A radical of which quinone is the hydride, analogous to phenyl..
Radicality :: Radicality (n.) Radicalness; relation to a root in essential nature or principle.
Xenyl :: Xenyl (n.) The radical characteristic of xenylic compounds.
Uranyl :: Uranyl (n.) The radical UO2, conveniently regarded as a residue of many uranium compounds..
Tolyl :: Tolyl (n.) The hydrocarbon radical, CH3.C6H4, regarded as characteristic of certain compounds of the aromatic series related to toluene; as, tolyl carbinol..
Radical :: Radical (n.) A primitive letter; a letter that belongs to the radix.
Maleyl :: Maleyl (n.) A hypothetical radical derived from maleic acid.
Ceryl :: Ceryl (n.) A radical, C27H55 supposed to exist in several compounds obtained from Chinese wax, beeswax, etc..
Hexabasic :: Hexabasic (a.) Having six hydrogen atoms or six radicals capable of being replaced or saturated by bases; -- said of acids; as, mellitic acid is hexabasic..
Radical :: Radical (a.) Of or pertaining to the root; proceeding directly from the root.
Hexdecyl :: Hexdecyl (n.) The essential radical, C16H33, of hecdecane..
Fluosilicate :: Fluosilicate (n.) A double fluoride of silicon and some other (usually basic) element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride..
Hydroxide :: Hydroxide (n.) A hydrate; a substance containing hydrogen and oxygen, made by combining water with an oxide, and yielding water by elimination. The hydroxides are regarded as compounds of hydroxyl, united usually with basic element or radical; as, calcium hydroxide ethyl hydroxide..
Carboxyl :: Carboxyl (n.) The complex radical, CO.OH, regarded as the essential and characteristic constituent which all oxygen acids of carbon (as formic, acetic, benzoic acids, etc.) have in common; -- called also oxatyl..
Dicyanide :: Dicyanide (n.) A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.
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