0–9 0D – Zero-dimensional 1, – Onekama, Michigan (word play based on "one, comma") 1AM – Air mechanic 1st class 1D – One-dimensional 2AM – Air mechanic 2nd class 2D – (i) Two-dimensional 2.5D – (p) "Two-and-a-half-dee": two-dimensional computer graphics where some flat images lie in front of others 2G – (i) Second-generation mobile (cellular, wireless) telephone system 2.5G – (p) Second-and-a-half-generation mobile telephone system 2LA – Two letter acronym 2Lt – 2nd lieutenant 3AM – Air mechanic 3rd class 3D – (i) Three-dimensional 3G – (i) Third-generation mobile telephone system 3i – (i) Investors In industry (venture capitalists) 3M – (i) Minnesota Mining and Manufacturing Company 4D – (i) Four-dimensional (usually three spatial plus one temporal dimension, sometimes four spatial ones) 4G – (i) Fourth-generation mobile telephone system 4GL – (i) Fourth-generation programming language 4WD – (i) Four-wheel drive 5D – Five-dimensional 5G – fifth generation mobile telephone system 6D – Six-dimensional 7D – Seven-dimensional 8D – Eight-dimensional 9D – Nine-dimensional
See also
Backronym Jargon List of reporting marks List of government and military acronyms List of information technology acronyms List of medical abbreviations List of abbreviations in photography List of abbreviations for market segments List of Hebrew acronyms List of U.S. government and military acronyms List of geographic acronyms and initialisms Wikipedia:List of all single-digit-single-letter combinations Wikipedia:List of all single-letter-single-digit combinations Wikipedia:List of all single-letter-double-digit combinations Wikipedia:TLAs
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