Definition of "millisecond" []

• One thousandth (10-3) of a second. (noun)

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.

• "From 25,327 miles per hour to 0. 1c in millisecond bursts."
• "Bruce this movie's looking worse and worse by the freakin millisecond."
• "In some editions Thursday, a Money & Investing article on stock-trading executive Thomas Peterffy incorrectly said millisecond, which is one thousandth of a second."