8 Definition

abbreviation

(text messaging, slang) Abbreviation of ate.

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(text messaging, slang) Replacing the sounding /eɪt/ on any word that has this pronunciation or similar.
E.g. m8 (mate), h8 (hate), d8 (date), g8 (gate), l8 (late), l8r (later)
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noun

(paper) Abbreviation of octavo, a page size (4.5"-6" x 7"-10")

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(printing) Abbreviation of octavo, a book size using octavo-sized pages.

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(computing, retronym) The naming convention in older MS-DOS and Microsoft Windows computers, restricting file names to eight characters followed by a decimal point and a three-character file extension.

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