The phrase "air expended" is correct and usable in written English.
It can be used in contexts discussing the amount of air used or released, often in relation to breathing, machinery, or processes involving air.
Example: "After the intense workout, I could feel the air expended from my lungs as I gasped for breath."
Alternatives: "air used" or "air released".
So their grumbles against the new order may just be hot air expended in the hope of getting a better deal out of Mr Putin.
"The safest prediction," said Mr. Wroth, dean of the Vermont Law School, "is that for the next couple of years there will be a lot of ink and air expended on the subject".
There has been a lot of digital ink and warm air expended on whether these victims of tragedy were treated differently because of their race.
So expect a lot of hot air to be expended in the future over what does — and does not — constitute 'quality' work.
Realising that over 80-90% of a cyclist's energy is expended overcoming air resistance, Burrows hit upon the wheeze of manufacturing the lightest racing bike frame possible out of something other than the traditional diamond-shaped wind-unfriendly tubing, using a one-piece shell that would hold both rider and wheels in the optimum position to minimise drag.
When driving at a steady speed, the throttle -- a valve that regulates the flow of air into an engine -- is open only slightly, and a significant amount of power is expended to draw air through the restricted opening.
Bunting says: "All protagonists in a debate have a moral responsibility to ensure that the hot air they are expending generates light, not just heat".
All protagonists in a debate have a moral responsibility to ensure that the hot air they are expending generates light, not just heat.
Having expended some hot air, so to speak, you'll feel calmer overall and less inclined to overthink your situation.
Mr Jones's former Newsnight colleague Liz Mackean said "far more energy [was] expended getting [Panorama] aired than on preventing [our] original Savile investigation".
And finally the Conservative government has, through the BBC charter process, expended massive amounts of hot air and other renewable energy sources in trying to undermine and dismantle the one British media institution which cannot be weakened by adblocking.
