| 释义 |
otacoustic, a. and n. rare.|əʊtəˈkuːstɪk, -əˈkaʊstɪk|
[f. Gr. οὖς, ὠτ- ear + ἀκουστικ-ός acoustic: cf. Gr. ὠτακουστής: see otacust.]
A. adj. Used to assist the sense of hearing.
1775in Ash. 1828Webster s.v., Otacoustic instrument.
B. n. An instrument to assist hearing, as an ear-trumpet.
a1643Ld. Falkland, etc. Infallibility (1646) 79 Matters of fact, which we see or heare not with our own eyes or eares, but as with perspectives and otacoustickes. 1701Grew Cosm. Sacra i. v. §6 A Hare, which is very quick of hearing..is supplied with a Bony Tube; which as a natural Otacoustick is so directed backward as to receive the smallest and most distant Sound that comes behind her.
So otaˈcoustical a.
1802in Spir. Pub. Jrnls. VI. 348 With a few of my otacoustical drops [I] have so entirely recovered him. |