[¦tü ¦tü ¦tü trī¦klȯr·ō′eth·ə‚nȯl] (pharmacology) CCl3CH2OH A hygroscopic liquid with a boiling point of 151-153°C; soluble in water and miscible with alcohol or ether; used in medicine as a hypnotic and anesthetic. Also known as trichloroethyl alcohol.