Maintenance service provided after the sale of a product

Abbreviation of southern. / Abbreviation of single.

(sometimes proscribed) Used to form the plurals of numerals, letters, some abbreviations and some nouns, usually because the omission of an apostrophe would make the meaning unclear or ambiguous.

Possessive marker, indicating that an object belongs to the noun or noun phrase bearing the marker. / In the absence of a specified object, used to indicate “the house/place/establishment of”.

plural of A*

(symbols) Abbreviation of shilling, derived from the Latin solidus. / Abbreviation of season. / Abbreviation of south. / Abbreviation of substantive.

plural of A*

Initialism of south. / Initialism of season (group of episodes of a series). / (usually clothing, singular only) Initialism of small (the manufactured size or an item of that size).

(organic chemistry) secondary form

(physics) subatomic particles with a spin (quantum angular momentum) of 0, predicted by supersymmetry; the bosonic equivalent of known fermions