ectenic,a.|ɛkˈtɛnɪk| [f.Gr. ἐκτεν-ής strained, f. ἐκτείνειν to stretch out + -ic.] Epithet applied to the phenomena, otherwise called ‘mesmeric’ or hypnotic, considered as produced by a state of strained attention. 1882Ch. Times 17 Feb. 104 Manifestations..psychic, biological, odylic, ectenic.