e/Sound of fingernails scraping chalkboard

Information
has gloss	eng: The sound of fingernails scraping a chalkboard or blackboard is regarded as an unpleasant sound by most people. This was demonstrated in a scene from the film Jaws, where Robert Shaw's character brings a noisy room to silence with a long scrape across a blackboard. The basis of this innate reaction has been studied in the field of psychoacoustics.
lexicalization	eng: Sound of fingernails scraping chalkboard
instance of	(noun) the study of the physical properties of sound acoustics

Meaning
Italian
has gloss	ita: Il raschio sulla lavagna prodotto dalle unghie umane, o comunque da oggetti idonei a scalfire, è il tipico stridio prolungato causato dallo sfregamento di una superficie di ardesia.
lexicalization	ita: raschio sulla lavagna