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interrogation point

Also called interrogation mark.
Origin of interrogation point

question mark

Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
something unanswered or unknown:
His identity is still a question mark to most of us.
an anglewing butterfly, Polygonia interrogationis, having silver spots shaped like a question mark on the underside of each hind wing.
1865-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for interrogation mark
Historical Examples
  • The interrogation mark which accentuated this "well" signified: "it seems to me that one may remain concealed here?"

    Les Misrables Victor Hugo
  • It's headed, 'A New Cult,' with an interrogation mark after it.

    The Miracle Man Frank L. Packard
  • The very sickle-shape of the plasmodium turned itself into an interrogation mark.

    Preventable Diseases Woods Hutchinson
  • An interrogation mark always seems to me most satisfactory—as delightful as the after-theater supper for which somebody else pays.

    Wanted: A Cook Alan Dale
  • In the Folios the interrogation mark and the exclamation mark are often interchanged.

British Dictionary definitions for interrogation mark

interrogation mark

a less common term for question mark

question mark

the punctuation mark ?, used at the end of questions and in other contexts where doubt or ignorance is implied
this mark used for any other purpose, as to draw attention to a possible mistake, as in a chess commentary
an element of doubt or uncertainty
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
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interrogation mark in Culture

question mark definition

A punctuation mark (?) that follows a direct question: “Is Ralph really seven feet tall?”

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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