nonacoustic en · ADJ
Etymology
Etymology tree Proto-Indo-European *né Proto-Germanic *ne Proto-Indo-European *ís? Proto-Indo-European *h₁óynos Proto-Germanic *ainaz Proto-Germanic *nainaz Proto-West Germanic *nain Old English nān Middle English non ▲ Old English nān Old English nān- Middle English non- English non- Proto-Indo-European *h₂eḱ- Proto-Indo-European *h₂ew- Proto-Indo-European *-s Proto-Indo-European *h₂ṓws Proto-Indo-European *-yéti Proto-Indo-European *h₂ḱh₂owsyéti Proto-Hellenic *akóuhō Ancient Greek ἀκούω (akoúō) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek ᾰ̓κουστῐκός (ăkoustĭkós)bor. Medieval Latin acousticusbor. English acoustic English nonacoustic From non- + acoustic.
Meanings
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(not-comparable) Not acoustic.
For reducing tonal noise, e.g., generated by engines and propellers, the reference microphone can be replaced by a nonacoustic reference sensor, e.g., a tachometer or an optical or inductive sensor.
2002, Gillian M. Davis, Noise Reduction in Speech Applications, →ISBN, page 313:In addition, the score features common acoustic and nonacoustic Western instruments, including keyboards, synthesized drums and bass, electric and acoustic guitar, piano, and accordion.
2015, Elsie Walker, Understanding Sound Tracks Through Film Theory, →ISBN:Compared with vestibular schwannomas, eighth cranial nerve symptoms and signs are less frequent, and other cranial nerve and cerebellar symptoms and signs are more frequent in nonacoustic CPA tumours.
2016, Michael C. Joiner, Albert van der Kogel, Basic Clinical Radiobiology, →ISBN, page 4016: