English-Thai Dictionary
terpene
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Webster's 1913 Dictionary
TERPENE
Ter "pene, n. Etym: [See Turpentine. ] (Chem. )
Defn: Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.
TERPENTIC
TERPENTIC Ter *pen "tic, a. (Chem. )
Defn: Terpenylic.
TERPENYLIC
Ter `pe *nyl "ic, a. Etym: [Terpene + -yl + -ic. ] (Chem. )
Defn: Of, pertaining to, or designating, an acid, C8H12O4 (called also terpentic acid ), homologous with terebic acid, and obtained as a white crystalline substance by the oxidation of oil of turpentine with chromic acid.
New American Oxford Dictionary
terpene
ter pene |ˈtərˌpēn ˈtərpin | ▶noun Chemistry any of a large group of volatile unsaturated hydrocarbons found in the essential oils of plants, esp. conifers and citrus trees. They are based on a cyclic molecule having the formula C 10 H 16. ORIGIN late 19th cent.: from German Terpentin ‘turpentine ’ + -ene .
terpenoid
ter pe noid |ˈtərpəˌnoid ˈtərpənɔɪd |Chemistry ▶noun any of a large class of organic compounds including terpenes, diterpenes, and sesquiterpenes. They have unsaturated molecules composed of linked isoprene units, generally having the formula (C 5 H 8 ) n. ▶adjective denoting such a compound.
Oxford Dictionary
terpene
terpene |ˈtəːpiːn | ▶noun Chemistry any of a large group of volatile unsaturated hydrocarbons found in the essential oils of plants, especially conifers and citrus trees. They are based on a cyclic molecule having the formula C 10 H 16. ORIGIN late 19th cent.: from German Terpentin ‘turpentine ’ + -ene .
terpenoid
terpenoid |ˈtəːpɪnɔɪd | ▶noun Chemistry any of a large class of organic compounds including terpenes, diterpenes, and sesquiterpenes. They have unsaturated molecules composed of linked isoprene units, generally having the formula (C 5 H 8 ) n.
Duden Dictionary
Terpen
Ter pen Substantiv, Neutrum Chemie , das |Terp e n |gekürzt aus Terpentin als Hauptbestandteil ätherischer Öle vorkommende organische Verbindung
terpenfrei
ter pen frei Adjektiv |terp e nfrei |
Terpentin
Ter pen tin Substantiv, Neutrum oder Substantiv, maskulin , das oder der |Terpent i n |das, österreichisch meist: der Terpentin; Genitiv: des Terpentins, Plural: die Terpentine spätlateinisch (resina ) ter (e )bint (h )ina = Harz der Terebinthe (eine Pistazienart ), zu lateinisch terebinthinus < griechisch terebínthinos = zur Terebinthe gehörend a Harz verschiedener Nadelbäume (z. B. der Kiefer )b umgangssprachlich Kurzwort für: Terpentinöl
Terpentinöl
Ter pen tin öl Substantiv, Neutrum , das |Terpent i nöl |Öl aus Terpentin a , das als Lösungsmittel für Harze und Lacke dient Kurzform: Terpentin b