The change of a simple vowel to a diphthong, especially in various Germanic languages, often caused by the influence of neighboring consonants.
A form of urban dance involving styles such as rocking, popping, and b-boying, usually performed to funk. Also called break dancing.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.