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hydro-alcoholic
hydro-alcoholic adj. 
/ˌhaɪdroʊˌælkəˈhɑlɪk/ in or consisting of a mixture of an alcohol and water.
Brit. /ˌhʌɪdrəʊalkəˈhɒlɪk/
, /ˌhʌɪdrəʊalkəˈhɒlɪk/U.S. /ˌhaɪdroʊˌælkəˈhɔlɪk/
, /ˌhaɪdroʊˌælkəˈhɔlɪk//ˌhaɪdroʊˌælkəˈhɑlɪk/ΘΚΠ
the world > matter > chemistry > organic chemistry > alcohols > [adjective] > mixed with water
hydro-alcoholic1887
1887 A. M. Brown Treat. Animal Alkaloids i. v. 46 The hydro-alcoholic solution of the alkaloid was injected hypodermically into a dog of medium size.
1951 A. Grollman Pharmacol. & Therapeutics 757 Color may also be imparted by the addition of..Hydrastis Tincture (N.F.) which..is soluble in alcohol and hydro-alcoholic preparations giving a yellow color.
1969 Biochimica et Biophysica Acta 194 265 (heading) Optical rotatory dispersion of polyglutamic and polyuridylic acids at low temperatures in fluid hydro-alcoholic solvents.
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