There are 2 main definitions of Sm in English:

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Sm 1

Line breaks: Sm

symbol

The chemical element samarium.

Definition of Sm in:

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There are 2 main definitions of Sm in English:

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SM 2 Line breaks: SM

abbreviation

1 (also S & M) Sadomasochism.
1.1Sergeant Major.
1.2Short metre.

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