the time rate of change of angular velocity of a rotating body.
Why do we use capital and lower case letters, and how did both types come to be?
Capitalization rules tend to vary by language and can be quite complicated. It is widely understood that the first word of a sentence and all proper nouns are always capitalized. However, what is not so clear is the origin of the upper case distinction that has become common practice, especially in regards to Modern English. To unmask the origin of the capital letter we need …
The Original Memes (Before Memes)
The word meme, coined in 1976 by the evolutionary biologist Richard Dawkins, goes way beyond social-media pixels. Meme captures the concept of “cultural transmission” of ideas in general, where customs and ideas spread from brain to brain. Which means memes have been around longer than Success Kid or Kermit sipping tea. Wildfire ideas have been around as long as humans have—in fact, discovering fire is …
Origin of angular acceleration
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the rate of change of angular velocity
astronautics the acceleration of a space vehicle around an axis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The rate of change of angular velocity with respect to time. Angular acceleration is measured in revolutions per minute squared or in radians per second squared.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.