акустический betyr engelsk

acoustic▼(pertaining to hearing or the science of sounds)
adjective
[UK: əˈk.uː.stɪk] [US: əˈk.uː.stɪk]

acoustical▼(of or pertaining to hearing or acoustics)
adjective
[UK: əˈk.uː.stɪkəl] [US: əˈk.uː.stɪkəl]