Asin

/ˈeɪsɪn/ noun

Amazon Standard Identification Number; a unique product identifier used by Amazon for catalog management. Also refers to arcsine in mathematics.

Modern acronym from 'Amazon Standard Identification Number,' created for e-commerce product tracking. The mathematical 'asin' comes from 'arc sine,' where 'arc' indicates inverse function and 'sine' derives from Arabic 'jib' (fold/bay).

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