There are 2 definitions of Sm in English:

Sm1

Syllabification: Sm

symbol

The chemical element samarium.

Definition of Sm in:

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Word of the day brannigan
Pronunciation: ˈbranigən
noun
a brawl or violent argument

There are 2 definitions of Sm in English:

SM2

Syllabification: SM

abbreviation

1Service mark.
1.1 (also S & M) Sadomasochism.
1.2Sergeant major.
1.3Short meter.

Definition of Sm in: