Amazon Standard Identification Number. ASIN redirects here. For other uses, see Asin (disambiguation). The Amazon Standard Identification Number (ASIN) is a 10-character alphanumeric unique identifier assigned by Amazon.com and its partners for product identification within the Amazon organization.
GEOGRAPHY (study) Synonyms include earth science, geopolitics, physiography, and topography. GEOGRAPHY (physical) Synonyms include topography, terrain, or landforms. GEOGRAPHY (study) Synonyms include earth science, geopolitics, physiography, and topography.
Since geography has to do with land and the earth I would think that its antonym would be astronomy.