Definitions
1.LetterThe twenty-fourth letter of the basic modern Latin alphabet.
2.Symbola voiceless velar fricative." [x]-fricated release, [x]-coloring, or a weak, fleeting or epenthetic [x] – see ⟨ˣ⟩."
3.SymbolA name for an unknown variable.
4.SymbolThe first coordinate in Cartesian coordinates, representing horizontal position.
5.SymbolUsed as a placeholder for a digit or value that may vary.
6.SymbolA kiss at the end of a letter, or similar missive.
7.SymbolCapture.
8.SymbolDenotes a private use IETF language tag."art-x-solresol; art-x-tokipona"
9.Symbol↑ Lagarde, Paul de (1882), “Woher stammt das x der Mathematiker?”, in Nachrichten von der Königlichen Gesellschaft der Wissenschaften zu Göttingen (in German), number 13, pages 409–413
10.SymbolAlternative spelling of ×"Dimensions: 1280x720; 3x as much as usual"
11.Symbol↑ Cajori, Florian (December 1914), “The Cross X as a Symbol for Multiplication”, in Nature, volume 94, →DOI, pages 363–364
12.SymbolA unit of transfer rate of CD drives, equal to 150 KiB per second.
13.SymbolA unit of transfer rate of DVD drives, equal 1.32 MiB per second.
14.SymbolⅩ, the Roman numeral ten (10).
15.SymbolOctober.
16.LetterThe twenty-fourth letter of the English alphabet, called ex and written in the Latin script.
17.LetterForming gender-neutral or otherwise more inclusive versions of words, especially Spanish-derived words by replacing both the masculine -o and feminine -a."alumnx, Chicanx (Xicanx), Filipinx, Latinx, Mx, mxn, Tejanx, womxn"
18.AdjectiveAlternative letter-case form of X (“intersex or non-binary ”).
19.NumeralAn unknown or unspecified number of.
20.ConjunctionUsed between the names of two characters to denote a ship, particularly in anime, manga, and video games.
21.ConjunctionUsed in place of and in artist collaborations."Taska Black x DROELOE, Steve Aoki x Lauren Jauregui, etc."