(noun) “[A] breakthrough in one form of technology that leads to a number of variations, from which a prototype emerges, followed by a period of slight adjustments to the technology, interrupted by a breakthrough” (OpenStax College 2012).
Audio Pronunciation: (ev·o·lu·tion·ar·y mo·del of tech·no·log·i·cal change)
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OpenStax College. 2012. Media and Technology in Society. Connexions, May 18, 2012. (http://cnx.org/content/m42837/1.2/).