S.
The nineteenth letter of the English alphabet, called ess and written in the Latin script.
Meaning & usage
The nineteenth letter of the English alphabet, called ess and written in the Latin script.
The nineteenth numeral symbol of the English alphabet, called ess and written in the Latin script.
An axiomatic set theory, developed by logician George Boolos, in which several of the axioms of ZF are derivable as theorems.
S has no axiom of extensionality and identity is absent from the other S axioms.
Where this word comes from
From the first letter of set and of stage, two fundamental concepts of the theory.
Initialism of south.
Initialism of season (group of episodes of a series).
I watched S01 through 03. I have yet to watch the S04.
The pilot episode is S01E01.
Initialism of small (the manufactured size or an item of that size).
Initialism of soprano.
Initialism of subtitles.
Initialism of sextodecimo (book size, 15-17.5 cm in height).
Initialism of sadist.
Where this word comes from
Abbreviation.
Initialism of small (of the manufactured size).
Initialism of satisfactory.
Where this word comes from
Abbreviation.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.