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intro

[in-troh]
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noun, plural in·tros. Informal.
  1. an introduction.
  2. the introductory passage of a piece for a jazz or dance band.
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Origin of intro

First recorded in 1895–1900; shortening of introduction

intro-

  1. a prefix, meaning “inwardly,” “within,” occurring in loanwords from Latin (introspection); occasionally used in the formation of new words (introjection).
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Compare intra-.

Origin of intro-

< Latin, representing intrō (adv.) inwardly, within

intro.

or introd

  1. introduce.
  2. introduced.
  3. introducing.
  4. introduction.
  5. introductory.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for intro

intro

noun plural -tros
  1. informal short for introduction
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intro-

prefix
  1. in, into, or inwardintrovert
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Word Origin

from Latin intrō towards the inside, inwardly, within

intro.

introd.

abbreviation for
  1. introduction
  2. introductory
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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 intro

n.

short for introduction, attested from 1923.

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intro-

word-forming element, from Latin intro "on the inside, within, to the inside," from PIE *en-t(e)ro-, suffixed form of preposition *en "in" (see in).

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Online Etymology Dictionary, © 2010 Douglas Harper

intro in Medicine

intro-

pref.
  1. In; into:intromission.
  2. Inward:introspection.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.