The Collaborative International Dictionary
Acoustically \A*cous"tic*al*ly\, adv.
In relation to sound or to hearing.
--Tyndall.
Wiktionary
adv. 1 (context manner English) In an acoustic manner, or using an acoustic musical instrument. 2 (context domain English) From the perspective of acoustics.
WordNet
adv. with respect to acoustics; "acoustically ill-equipped studios"
Wikipedia
Acoustically is the fourth studio album by ARIA Award winning, Torres Strait Islander singer Christine Anu. The album sees Anu perform acoustic versions of her hits as well as show cashing new material, including "Last to go", a song dedicated to a friend lost in Bali, and "Ocean of Regret", a Neil Murray composition originally demoed for her landmark debut Stylin' Up. It was released in 2005 on the Liberation Blue label.
Usage examples of "acoustically".
It is evenly and not too thickly covered with fine sand or lycopodium powder and then caused to vibrate acoustically by the repeated drawing of a violin-bow with some pressure across the edge of the plate until a steady note becomes audible.
For this purpose the two plates must be acoustically tuned to each other and placed not too far apart.
In order that astral events other than those manifesting acoustically may become accessible to our consciousness, our own astral being must become capable of vibrating in tune with them, just as if we were hearing them - that is, we must be able to rouse our astral forces to an activity similar to that of hearing, yet without any physical stimulus.
And in that acoustically superb vaulted church -- cornerstone laid on March 28, 1343 -- a fat boy, supported by the main organ and the echo organ, sings a slender Credo.
Beyond them, in what looked, in the dark, like the whole southwest quadrant of the building, fifty or sixty adults and teenagers flailed to a sound so loud, so acoustically true, or both, that it made the prestressed concrete floor vibrate like the loft of a barn.
For this purpose the two plates must be acoustically tuned to each other and placed not too far apart.
And in that acoustically superb vaulted church -- cornerstone laid on March 28, 1343 -- a fat boy, supported by the main organ and the echo organ, sings a slender Credo.
Which was also why the lights were dimmed and surfaces padded in acoustically absorbent material.
Every tin can, every dust bin, every window, every car, every wine glass, every sheet of rusty metal became activated as an acoustically perfect sounding board.
She skirted priceless statuaries as she made her way toward an acoustically superior alcove where she often stood within easy listening distance.