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  • Sn
    Sn
    tin.
  • SN
    SN
    abbreviation
    Secretary of the Navy.
  • sn
    sn
    abbreviation
    Senegal

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

The sum, Sn, of the first n terms of a geometric sequence is written as Sn = a1 + a2 + a3 + ... + an.

From Textbooks • May 6, 2020

Evaluate the partial sums Sn for n = 10, 20, 50, 100.

From Textbooks • Mar. 30, 2016

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

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