triphenyl-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the second syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. triphenylrosaniline n. Brit.

/trʌɪˌfɛnᵻlrə(ʊ)ˈzanᵻliːn/,

/trʌɪˌfɛnᵻlrə(ʊ)ˈzanᵻlɪn/,

/trʌɪˌfɛnl̩rə(ʊ)ˈzanl̩iːn/,

/trʌɪˌfɛnl̩rə(ʊ)ˈzanl̩ɪn/, U.S.

/traɪˌfɛn(ə)lˌroʊˈzænələn/.

Etymology: < tri- comb. form 3 + phenyl n.

Chemistry.

A prefix denoting that three phenyl groups, C₆H₅, are substituted for three hydrogen atoms in the substance designated by the rest of the name; e.g. triphenylacetic acid, C(C₆H₅)₃.CO₂H, from acetic acid, CH₃.CO₂H. So triphenylmethane n. CH(C₆H₅)₃, from methane, CH₄. triphenylmethyl- comb. form C(C₆H₅)—, from methyl, CH₃. But this term may also indicate the presence of three phenyl groups and one methyl group, (C₆H₅)₃(CH₃); triphenylcarbinol n. C(OH)(C₆H₅)₃, from carbinol, CH₃OH. triphenylamine n. formerly triphenylia, N(C₆H₅)₃, from ammonia, NH₃. triphenylrosaniline n. C(OH){C₆H₄.NH(C₆H₅)}₂{C₆H₃(CH₃).NH(C₆H₅)}, from rosaniline, C(OH){C₆H₄.NH₂}₂{C₆H₃(CH₃).NH₂}; the hydrochloric acid derivative of this is a blue dye-stuff. So also triˈphenylated adj. containing three phenyl groups.

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the world > matter > chemistry > organic chemistry > organic groups > [adjective] > phenyl groups

triphenylated1893

1858 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 7) 601 Triphenylamine.

1862 W. A. Miller Elements Chem. (ed. 2) III. 444 Triphenylia.

1871 Jrnl. Chem. Soc. 24 143 An alcoholic solution of triphenylguanidine absorbs large quantities of cyanogen.

1880 Friswell in Jrnl. Soc. Arts 445 The hydrochloride of triphenylrosaniline.

1893 T. E. Thorpe Dict. Applied Chem. III. 874 Triphenylrosanilines. The triphenylated derivatives of ordinary rosaniline may be subdivided into two classes: crystalline and uncrystallisable blues.

1894 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) IV. 2 Tri-phenyl-benzene C₂₄H₁₈ i.e. C₆H₃Ph₃.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	triphenyl-
释义	triphenyl-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Some degree of stress is usually maintained on the second syllable. If the subsequent element is an existing word, it is likely to retain its original stress pattern, e.g. triphenylrosaniline n. Brit. /trʌɪˌfɛnᵻlrə(ʊ)ˈzanᵻliːn/, /trʌɪˌfɛnᵻlrə(ʊ)ˈzanᵻlɪn/, /trʌɪˌfɛnl̩rə(ʊ)ˈzanl̩iːn/, /trʌɪˌfɛnl̩rə(ʊ)ˈzanl̩ɪn/, U.S. /traɪˌfɛn(ə)lˌroʊˈzænələn/. Etymology: < tri- comb. form 3 + phenyl n. Chemistry. A prefix denoting that three phenyl groups, C₆H₅, are substituted for three hydrogen atoms in the substance designated by the rest of the name; e.g. triphenylacetic acid, C(C₆H₅)₃.CO₂H, from acetic acid, CH₃.CO₂H. So triphenylmethane n. CH(C₆H₅)₃, from methane, CH₄. triphenylmethyl- comb. form C(C₆H₅)—, from methyl, CH₃. But this term may also indicate the presence of three phenyl groups and one methyl group, (C₆H₅)₃(CH₃); triphenylcarbinol n. C(OH)(C₆H₅)₃, from carbinol, CH₃OH. triphenylamine n. formerly triphenylia, N(C₆H₅)₃, from ammonia, NH₃. triphenylrosaniline n. C(OH){C₆H₄.NH(C₆H₅)}₂{C₆H₃(CH₃).NH(C₆H₅)}, from rosaniline, C(OH){C₆H₄.NH₂}₂{C₆H₃(CH₃).NH₂}; the hydrochloric acid derivative of this is a blue dye-stuff. So also triˈphenylated adj. containing three phenyl groups. ΘΚΠ the world > matter > chemistry > organic chemistry > organic groups > [adjective] > phenyl groups triphenylated1893 1858 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 7) 601 Triphenylamine. 1862 W. A. Miller Elements Chem. (ed. 2) III. 444 Triphenylia. 1871 Jrnl. Chem. Soc. 24 143 An alcoholic solution of triphenylguanidine absorbs large quantities of cyanogen. 1880 Friswell in Jrnl. Soc. Arts 445 The hydrochloride of triphenylrosaniline. 1893 T. E. Thorpe Dict. Applied Chem. III. 874 Triphenylrosanilines. The triphenylated derivatives of ordinary rosaniline may be subdivided into two classes: crystalline and uncrystallisable blues. 1894 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) IV. 2 Tri-phenyl-benzene C₂₄H₁₈ i.e. C₆H₃Ph₃. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < comb. form1858
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