Also known as: sn.
SN has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of SN in Science.
A supernova is a cataclysmic explosion caused when a star exhausts its fuel and ends its life. Supernovae are the most powerful forces in the universe. All of the heavy elements were created in supernova explosions.
ScienceThe component of a classification system that describes the functions, uses and content of the records that are to be classified together, in Administrative Records Classification System and Operational Records Classification Systems, each primary has a scope note. A scope note describes the administrative or operational function to which the records relate and provides a general statement about the record types and media covered.
SciencePrecipitation composed of white or translucent ice crystals, chiefly in complex branched hexagonal forms.
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