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Sn

1 American  
Symbol, Chemistry.
  1. tin.


SN 2 American  

abbreviation

  1. Secretary of the Navy.

  2. Also sn, s/n screen name.


SN 1 British  

abbreviation

  1. Senegal (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Sn 2 British  

symbol

  1. tin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sn 3 British  

abbreviation

  1. Senegal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Sn

From the Latin word stannum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One type, called Sn or "lid" waves, moves along the top of the mantle in a region known as the lid.

From Science Daily • Feb. 20, 2026

Notice the S does not have the subscript n as in Sn as we are not adding a finite number of terms.

From Textbooks • May 6, 2020

Which of the following atoms would be expected to form negative ions in binary ionic compounds and which would be expected to form positive ions: Br, Ca, Na, N, F, Al, Sn, S, Cd?

From Textbooks • Feb. 14, 2019

Evaluate the partial sums Sn for n = 5, 10, 20.

From Textbooks • Mar. 30, 2016

“Professor, I think — I know — that Sn — that someone’s going to try and steal the Stone. I’ve got to talk to Professor Dumbledore.”

From "Harry Potter and the Sorcerer's Stone" by J.K. Rowling