Glossary A

Glossary A

Acoustic demarcation when an animal makes sounds to signal its presence examples include singing of birds, calling of amphibians, hooting of some primates, howling of wolves and coyotes.

Acoustic neuroma refers to the progressively enlarging, benign tumor within the auditory canal arising from Schwann cells of the VIIIth cranial nerve.

Acoustic phonetics refers to the branch of phonetics that specifies the acoustic characteristics associated with each speech sound.

Acoustic shadow refers to the shadow created by the head that decreases the level of high-frequency sounds on the opposite side of the head. The acoustic shadow is the basis of the localization cue of interaural level difference.

Acoustic signal refers to the pattern of frequencies and intensities of the sound stimulus.

Acousticophobia is a kind of phobia - a morbid Fear of sound

In the psychology context, an acquaintance refers to a person known to someone, but usually not a close friend. The relationship is characterized by limited personal knowledge of each other and typically involves interactions that are superficial or based on specific roles or contexts, such as a coworker with whom one does not interact outside of work or a neighbor one speaks to occasionally. Acquaintances can play various roles in an individual's social network, offering different degrees of social support, information, and connectivity to broader social circles.

Acquaintance (date) rape refers to forced intercourse that occurs in the context of a date or other voluntary encounter.