physics a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectanceSymbol: D Former name: optical density
Are some languages really faster than English? Does that mean slower languages are less effective?
Think of when you’ve listened to someone speak Spanish or Japanese. Does it seem the words flow out very quickly, faster than other languages? Academics would agree with you. For the last decade, linguists have speculated that different languages are spoken at significantly different rates. The challenge has been how to measure the respective speeds. Recently, linguist François Pellegrino along with his team at the …
No Offense, These Words Used To Be Inoffensive
Read more in this article about some frequently asked questions and fun facts related to our definitions.
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