terpenen.

Brit.

/ˈtəːpiːn/, U.S.

/ˈtərˌpin/

Etymology: < terp- in terp-entin, obsolete < turpentine n., with suffix -ene comb. form, used in forming the names of hydrocarbons related to benzene n. Formerly called terebene n.

Chemistry.

A general name of hydrocarbons having the formula C₁₀H₁₆, many of which occur in the volatile oils of plants, chiefly of the coniferous and aurantiaceous orders. The commonest is pinene n., the chief constituent of turpentine-oil. Sometimes used to include hydrocarbons of formula C₅H₈, and its polymers C₁₀H₁₆, C₁₅H₂₄, C₂₀H₃₂, etc.

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the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > terpenes

terebene1857

terpene1868

terpenoid1933

1866 Kekulé Lehrb. Organ. Chemie II. 437. ]

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 564 Terpenes..are volatile oils, existing in plants.

1885 I. Remsen Introd. Study Compounds of Carbon (1888) 311 Artificial camphor..when heated alone, or with bases,..gives off hydrochloric acid, and a terpene different from the oil of turpentine is formed.

1902 F. J. Pond tr. F. Heusler Chem. Terpenes 17 Those hydrocarbons which have the empirical constitution C₅H₈ are termed terpenes. Four main classes are recognised: Hemiterpenes, C₅H₈, Terpenes proper, C₁₀H₁₆, Sesquiterpenes, C₁₅H₂₄, Polyterpenes, (C₅H₈)x.

Derivatives

ˈterpeneless adj. rendered free of terpenes.

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the world > matter > chemistry > organic chemistry > hydrocarbons > [adjective] > benzene derivatives > terpenes > rendered free of

terpeneless1921

1921 Jrnl. Royal Naval Med. Service 7 89 Terpeneless and sesquiterpeneless oils.

1972 Materials & Technol. V. i. 17 ‘Terpeneless bergamot oil’ is used in high-class perfumes.

terpeˈnylic n. [ < terpene n. + -yl suffix + -ic suffix] in terpenylic acid, a white crystalline compound, C₈H₁₂O₄, obtained by oxidizing a terpene, as turpentine-oil, with chromic acid.

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the world > matter > chemistry > organic chemistry > organic acids > [noun] > aromatic acids > named

terpenylic acid1881

1881 H. Watts Dict. Chem. VIII. 1907 Terpenylic acid..is obtained at first in the form of a syrup resembling glycerol... Terpenylic acid is monobasic.

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022).

单词	terpene
释义	terpenen. Brit. /ˈtəːpiːn/, U.S. /ˈtərˌpin/ Etymology: < terp- in terp-entin, obsolete < turpentine n., with suffix -ene comb. form, used in forming the names of hydrocarbons related to benzene n. Formerly called terebene n. Chemistry. A general name of hydrocarbons having the formula C₁₀H₁₆, many of which occur in the volatile oils of plants, chiefly of the coniferous and aurantiaceous orders. The commonest is pinene n., the chief constituent of turpentine-oil. Sometimes used to include hydrocarbons of formula C₅H₈, and its polymers C₁₀H₁₆, C₁₅H₂₄, C₂₀H₃₂, etc. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > terpenes terebene1857 terpene1868 terpenoid1933 1866 Kekulé Lehrb. Organ. Chemie II. 437. ] 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 564 Terpenes..are volatile oils, existing in plants. 1885 I. Remsen Introd. Study Compounds of Carbon (1888) 311 Artificial camphor..when heated alone, or with bases,..gives off hydrochloric acid, and a terpene different from the oil of turpentine is formed. 1902 F. J. Pond tr. F. Heusler Chem. Terpenes 17 Those hydrocarbons which have the empirical constitution C₅H₈ are termed terpenes. Four main classes are recognised: Hemiterpenes, C₅H₈, Terpenes proper, C₁₀H₁₆, Sesquiterpenes, C₁₅H₂₄, Polyterpenes, (C₅H₈)x. Derivatives ˈterpeneless adj. rendered free of terpenes. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [adjective] > benzene derivatives > terpenes > rendered free of terpeneless1921 1921 Jrnl. Royal Naval Med. Service 7 89 Terpeneless and sesquiterpeneless oils. 1972 Materials & Technol. V. i. 17 ‘Terpeneless bergamot oil’ is used in high-class perfumes. terpeˈnylic n. [ < terpene n. + -yl suffix + -ic suffix] in terpenylic acid, a white crystalline compound, C₈H₁₂O₄, obtained by oxidizing a terpene, as turpentine-oil, with chromic acid. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > aromatic acids > named terpenylic acid1881 1881 H. Watts Dict. Chem. VIII. 1907 Terpenylic acid..is obtained at first in the form of a syrup resembling glycerol... Terpenylic acid is monobasic. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022). < n.1868
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