s

Letter (1)

1. (letter, lowercase) The nineteenth letter of the English alphabet, called ess and written in the Latin script.

Numeral (1)

1. (lowercase) The nineteenth numeral symbol of the English alphabet, called ess and written in the Latin script.

Letter (2) capitalized: S

1. (letter, uppercase) The nineteenth letter of the English alphabet, called ess and written in the Latin script.

Numeral (2) capitalized: S

1. (uppercase) The nineteenth numeral symbol of the English alphabet, called ess and written in the Latin script.

Noun capitalized: S

S (countable and uncountable, plural Ss)

1. (abbreviation, initialism) Initialism of south.
2. (abbreviation, initialism) 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.
3. (abbreviation, initialism, usually) Initialism of small (the manufactured size or an item of that size).
4. (abbreviation, initialism) Initialism of soprano.
5. (abbreviation, initialism) Initialism of subtitles.

   Synonyms:

   CC, sub

6. (abbreviation, initialism, American Library Association) Initialism of sextodecimo (book size, 15-17.5 cm in height).
7. (abbreviation, dated, initialism) Initialism of sadist.

Adjective capitalized: S

S (not comparable)

1. (abbreviation, initialism, usually) Initialism of small (of the manufactured size).
2. (abbreviation, initialism) Initialism of satisfactory.

Proper noun capitalized: S

S

1. 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.