question mark

question mark

noun
1.
Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
2.
something unanswered or unknown: His identity is still a question mark to most of us.
3.
an anglewing butterfly, Polygonia interrogationis, having silver spots shaped like a question mark on the underside of each hind wing.

Origin:
1865–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Question mark is always a great word to know.
So is zedonk. Does it mean:
a gadget; dingus; thingumbob.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
question mark
 
n
1.  the punctuation mark ?, used at the end of questions and in other contexts where doubt or ignorance is implied
2.  this mark used for any other purpose, as to draw attention to a possible mistake, as in a chess commentary
3.  an element of doubt or uncertainty

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Cultural Dictionary

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.
Cite This Source
FOLDOC
Computing Dictionary

question mark definition

character
"?", ASCII character 63.
Common names: query; ITU-T: question mark; ques. Rare: whatmark; INTERCAL: what; wildchar; huh; hook; buttonhook; hunchback.
Question mark is used, along with colon for C's lazy triadic "if" operator (similar to the IIF function in Visual Basic). The expression x?y:z evaluates x, then if x is true it returns y else it returns z.
In Unix shell file name patterns, question mark matches any single character.
(2003-06-17)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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