(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
countdown
Definitions, parts of speech, synonyms, and sentence examples for countdown.
Editorial note
It could of course start sending a countdown to your email a month before going off.
Quick take
(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
Meaning at a glance
The clearest senses and uses of countdown gathered in one view.
(astronautics) The acts of preparation carried out during this period.
(nonstandard) To count down.
Definitions
Core meanings and parts of speech for countdown.
noun
(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
noun
(astronautics) The acts of preparation carried out during this period.
verb
(nonstandard) To count down.
noun
(radio, television) A radio or television program counting down the top songs of a given week, usually in reverse order and ending with the number one song.
Example sentences
It could of course start sending a countdown to your email a month before going off.
It demonstrates that even something simple like a tweet box (textarea, character countdown, a couple of buttons) benefits from the React methodology.
Back about 200 000 000 seconds ago, I had the joy of attending a 'billenium' party -- complete with countdown clock.
I mean, they know when they'll have a surge in customers (there's a freakin countdown clock to the purchase time) and yet they still can't set up something more elastic that actually allows me to load the page?
-- In my embedded systems class in undergrad we made a 'movie-prop bomb', had a countdown timer, monitored wires, display, etc.
I honestly think I probably could have done the vast majority of it without any studying, but spending time practicing solving problems on paper (with a countdown-timer as an artificial pressure-inducing device) certainly did help me, I think, in the on-site.
Quote examples
One wonders if the 1/1/2010 countdown on "Feeling Lucky" is related to this launch.
There's a MacGyver episode from 1986 ("Countdown") that involved a bomb extortion plot that was, in retrospect, almost certainly inspired by this event.
I'm in the middle of reading "Countdown to Zero Day", the book about Stuxnet.
To this day, I still can't hear a countdown without wondering what numbers will be skipped, and of course, I expect "3, 2, 1" to only take up about a second and a half.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use countdown in a sentence?
It could of course start sending a countdown to your email a month before going off.
What does countdown mean?
(astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
What part of speech is countdown?
countdown is commonly used as noun, verb.