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definitions
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http

or HTTP

  1. hypertext transfer protocol: the standard protocol for transferring hypertext documents on the World Wide Web.Compare HTML.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for http

HTTP

abbreviation for
  1. hypertext transfer protocol, used esp on the InternetSee also hypertext
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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

Word Origin and History for http

abbreviation of hypertext transfer protocol, by 1990.

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Online Etymology Dictionary, © 2010 Douglas Harper

http in Science

HTTP

[āch′tē-tē-pē]
  1. Short for Hypertext Transfer Protocol. A protocol used to request and transmit files, especially webpages and webpage components, over the Internet or other computer network.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.