(neologism) Used to replace a gendered element or reduce perceived genderedness, such as in Mixter, mxn, womxn, etc.

prefix used for CCITT-ratified (UN) international telecom standards on e-mail

Abbreviation of trans-. / Abbreviation of cross-. / Abbreviation of christ-.

tic-tac-toe / (idiomatic, sports) The fundamental elements of a play. / (idiomatic, management) The basic delineation of roles in a project.

Abbreviation of kisses and hugs.

Short wavelength electromagnetic radiation usually produced by bombarding a metal target in a vacuum. Used to create images of the internal structure of objects; this is possible because X-rays pass through most objects and can expose photographic film.

(transitive, informal) To take a radiograph of; to obtain an image of using X-ray radiation, especially for the purpose of medical diagnostic evaluation.

Of or having to do with X-rays.

(algebraic geometry) The axis on a graph that is usually drawn left to right and usually shows the range of values of an independent variable.

Pornographic or indecent. / Denoting a film given an X classification.