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1. One trillion (1012): terahertz.
2. 1,099,511,627,776 (240): terabyte
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Units) denoting 1012: terameter.
2. (Units) Also: tebi- denoting 240: terabyte.
[from Greek teras monster]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a combining form used in the names of units of measure equal to one trillion of a given base unit: terahertz.
2. a combining form of like function with the value 240 (=1,099,511,627,776). Abbr.: T
[< Greek téras monster. compare terato-]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
1. A prefix that means:
2. One trillion (1012), as in terahertz, one trillion hertz.
3. 240 (that is, 1,099,511,627,776), which is the power of two closest to a trillion, as in terabyte.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A prefix meaning one trillion (1012). For example, 1 terameter = 1 trillion meters.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited