Definition of "acoustical" []

• Of or pertaining to hearing or acoustics. (adjective)

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• "Chapter Three examines the sense of hearing, what I call the acoustical environment."
• "Naturally, this meant for the prevailing mode of thinking that the experience of the colour of a tone had to be interpreted as the effect of a kind of acoustical adding together of a number of single tone perceptions (very much as Newton had interpreted 'white' light as the outcome of an optical adding together of a certain number of single colour perceptions)."
• "Among other things, the program provides area in technical disciplines, such as acoustical, chemical, electrical or environmental engineering."