countdown
Use Countdown in a sentence
noun
1.
the backward counting in fixed time units from the initiation of a project, as a rocket launching, with the moment of firing designated as zero.
2.
the final preparations made during this period.
3.
a period of increasing activity, tension, or anxiety, as before a deadline.
Origin:
1950–55, Americanism; noun use of verb phrase count down
1950–55, Americanism; noun use of verb phrase count down
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To countdown
Collins
World English Dictionary
countdown (ˈkaʊntˌdaʊn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 1. | the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives |
| —vb | |
| 2. | to count numbers backwards towards zero, esp in timing such a critical operation |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Countdown
is always a great word to know.
So is ninnyhammer. Does it mean:
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a fool or simpleton; ninny. |
Etymonline
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Cite This Source
Example sentences
Looking for clarification on new countdown signal requirement.
Game in progress: seven turns left on the countdown clock.
Cleared with only seconds left before possibly requiring a scrub, the signal was finally given to continue the countdown.
With local elections less than a year away, the countdown has begun.
Nearby Words
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
