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D D d The letter D is the fourth letter of the Latin alphabet. History The Semitic letter Dâlet probably developed from the logogram for a fish or a door. In Semitic, Ancient Greek (Modern Greek /ð/) and Latin the letter was pronounced /d/, in the Etruscan alphabet the letter was superfluous but still maintained (see letter B). Greek letter: Δ (capital) or δ (small) (Delta). In Cantonese, the sound /d/ means a little bit, from the ancient use of the character 的 (in the phrase "兀的") in Chinese written language. Since 的 is no longer used in this way, Hong Kong residents invented a new character 啲 (which is not supported in many Chinese systems), or simply write D instead. Alternate representations Delta represents the letter D in the NATO phonetic alphabet, except in airports, to avoid confusion with Delta Air Lines, in which case it is Dixie. In international Morse code the letter D is DahDitDit: - · · In Braille the letter D is represented as ⠙ (in Unicode), the dot pattern, XX .X .. Computing In Unicode the capital D is codepoint U+0044 and the lowercase d is U+0064. The ASCII code for capital D is 68 and for lowercase d is 100; or in binary 01000100 and 01100100, correspondingly. The EBCDIC code for capital D is 196 and for lowercase d is 132. The numeric character references in HTML and XML are "D" and "d" for upper and lower case respectively. Meanings for D In the atmosphere of Earth, the D layer is part of the ionosphere. In biochemistry, D is the symbol for aspartic acid. In calendars, D is often an abbreviation for the month December. In chemistry, D is the symbol of deuterium, an isotope of hydrogen. In computing, D is the name of a programming language; see D programming language. In driving a motor vehicle, D (drive) designates the forward cruising gears in an automatic transmission. In education, D is a barely passing grade. In electronics, D is a standard size dry cell battery. In finance securities, D is the stock symbol for Dominion Resources Inc. VA In geometry, d is often a variable for the diameter of a circle. In international licence plate codes, D stands for Germany. In mathematics, d is the symbol for the differential operator. D is often used as a digit meaning thirteen in hexadecimal and other positional numeral systems with a radix of 14 or greater. In the Metric system, d, deci, is the SI prefix meaning one tenth, 10-1. In music, D is a note. In nutrition, D is a vitamin. In print, D Magazine is a magazine for the city of Dallas, Texas. In Roman numerals, D denotes 500. In British currency, d is an abbreviation for the pre-decimalization pence, worth 1/240th of a pound. See also Ð Two-letter combinations starting with D: da db dc dd de df dg dh di dj dk dl dm dn do dp dq dr ds dt du dv dw dx dy dz Letter-digit combinations starting with D: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 als:D simple:D Most Popular Articles: Music    Musical Instruments    Guitar    Classical Music    History    Music Definition    Country Music    Rock Music    Pop Music    Hip Hop    Rap    DJ    Video Games    Casino Games    Poker    Blackjack    Casinos    Real Estate    Loan    Auction    eBay    Marketing    Search Engine Optimization    File Sharing    MP3    Music Industry    Kazaa    Internet    Supermodel    Fashion    Fashion Designers    Erotica    Modeling    Clothing    Boots    Shoes    Diamond Engagement Rings    Diamond    Rugs    Gospel Music    Affiliate    E-Commerce    Radio This article is licensed under the GNU Free Documentation License at http://www.gnu.org/copyleft/fdl.html You may copy and modify it as long as the entire work (including additions) remains under this license. You must provide a link to http://www.gnu.org/copyleft/fdl.html To view or edit this article at Wikipedia go to http://www.wikipedia.org/wiki/D