acoustico-combining form of acoustic.1880in Nature XXI. 359 An acoustico-electrical kaleidoscope..consists of a microphone used in conjunction with an induction-coil and a Geissler tube, and is..intended for the optical study of sounds.1940Chambers's Techn.Dict. 9/2 Acousticolateral system, in Vertebrates, afferent nerve-fibres related to the neuromast organs and to the ear, receptors in aquatic forms of relatively slow vibrations.1946S. Ullmann in Word Aug. 118 The phoneme is defined as the smallest acoustico⁓phonetic unit of speech.1949R. Jakobson in A. Cohen Phonemes of English (1952) ii. 30 Among a multitude of acoustico-motor possibilities there is a restricted number upon which language chooses to set a value.1951G. Humphrey Thinking iii. 87 A subject might begin a reaction series by mentally repeating the letter E when that letter appeared. Gradually this ‘acousticokinaesthetic presentation’ disappeared.1957M. E. Brown Physiol. of Fishes II. ii. 155 Phylogenetically the acoustico-lateralis system of sense organs is as old as the vertebrates.1960Amer. Speech XXXV. 234 Acoustico-cineradiographic analysis considerations.