bc to ad 525". "acronym" "Cambridge Dictionary of American English", accessed October 5, 2008: "a word created from the first letters of each word in a series of words." "acronym" "The American Heritage Dictionary of the English Language", accessed August 13, 2015: "1. "north-great by also only taking the first character of Peking, the "northern capital" Beijing ). A word created from the first letter or letters of each word in a series of words or a phrase. Will become Chicago's 3rd tallest residential building after the completion of nema (Chicago). For the acronym html tag, see. The US Department of Defense's Defense Advanced Research Projects Agency ( darpa ) is known for developing contrived acronyms to name projects, including resurrect, nirvana, and dude. "Chicago Title Trust Building".