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Menthyl :: Menthyl (n.) A compound radical forming the base of menthol.

Univalent :: Univalent (a.) Having a valence of one; capable of combining with, or of being substituted for, one atom of hydrogen; monovalent; -- said of certain atoms and radicals..

Phosphonium :: Phosphonium (n.) The hypothetical radical PH4, analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine..

Sporadically :: Sporadical (a.) Sporadic.

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

Dyad :: Dyad (n.) An element, atom, or radical having a valence or combining power of two..

Radical :: Radical (n.) 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. Residue..

Para- :: Para- () A prefix denoting: (a) Likeness, similarity, or connection, or that the substance resembles, but is distinct from, that to the name of which it is prefixed; as paraldehyde, paraconine, etc.; also, an isomeric modification. (b) Specifically: (Organ. Chem.) That two groups or radicals substituted in the benzene nucleus are opposite, or in the respective positions 1 and 4; 2 and 5; or 3 and 6, as paraxylene; paroxybenzoic acid. Cf. Ortho-, and Meta-. Also used adjectively..

Phosphinic :: Phosphinic (a.) Pertaining to, or designating, certain acids analogous to the phosphonic acids, but containing two hydrocarbon radicals, and derived from the secondary phosphines by oxidation..

Maleyl :: Maleyl (n.) A hypothetical radical derived from maleic acid.

Boride :: Boride (n.) A binary compound of boron with a more positive or basic element or radical; -- formerly called boruret.

Radical :: Radical (a.) Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs..

Methenyl :: Methenyl (n.) The hypothetical hydrocarbon radical CH, regarded as an essential residue of certain organic compounds..

Sulphonic :: Sulphone (n.) Any one of a series of compounds analogous to the ketones, and consisting of the sulphuryl group united with two hydrocarbon radicals; as, dimethyl sulphone, (CH/)/.SO/..

Formyl :: Formyl (n.) Formerly, the radical methyl, CH3..

Rationalize :: Rationalize (v. t.) To render rational; to free from radical signs or quantities.

Conjugate :: Conjugate (a.) Containing two or more radicals supposed to act the part of a single one.

Octyl :: Octyl (n.) A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol..

Hexacid :: Hexacid (a.) Having six atoms or radicals capable of being replaced by acids; hexatomic; hexavalent; -- said of bases; as, mannite is a hexacid base..

Substitutional :: Substitution (n.) The act or process of substituting an atom or radical for another atom or radical; metethesis; also, the state of being so substituted. See Metathesis..

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