English-Thai Dictionary
valeric
A เกี่ยวกับ พืช valerian
Webster's 1913 Dictionary
VALERIC
VALERIC Va *ler "ic, a. (Chem. )
Defn: Valerianic; specifically, designating any one of three metameric acids, of which the typical one (called also inactive valeric acid ), C4H9CO2H, is obtained from valerian root and other sources, as a corrosive, mobile, oily liquid, having a strong acid taste, and an odor of old cheese. Active valeric acid, a metameric variety which turns the plane of polarization to the right, although formed by the oxidation of a levorotatory amyl alcohol.
New American Oxford Dictionary
valeric acid
va ler ic ac id |vəˈle (ə )rik, -ˈli (ə )r- vəˌlɛrɪk ˈæsəd | ▶noun Chemistry another term for pentanoic acid. DERIVATIVES val er ate |ˈvaləˌrāt |noun ORIGIN mid 19th cent.: valeric from valerian + -ic .
Oxford Dictionary
valeric acid
valeric acid |vəˈlɛrɪk, -ˈlɪərɪk | ▶noun Chemistry another term for pentanoic acid. DERIVATIVES valerate noun ORIGIN mid 19th cent.: valeric from valerian + -ic .
The Wordsmith Dictionary