Collins Concise English Dictionary © HarperCollins Publishers::
Sn the chemical symbol for
  1. tin
Etymology: from New Latin stannum
WordReference Random House Unabridged Dictionary of American English © 2020
SN, 
  • Secretary of the Navy.

  • Sn, [Symbol, Chem.]
    1. Chemistrytin.
    • Latin stannum

    'Sn' also found in these entries (note: many are not synonyms or translations):
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