buoyancy

So the team had to carefully account for its effects upon buoyancy and adjust by using weights and 3D-printed materials.

The balloon showed a lack of buoyancy after the failed mission the day before, so Donaldson insisted on taking just one passenger with him this time.

Scott said he "knew she had gone" when he saw her buoyancy aid a tethered buoy in the Firth of Forth as it was "the last thing that would have saved her".

And in so doing, we lose our enjoyment of the moment, our buoyancy, our joie de vivre.

For all the buoyancy and optimism that’s been radiating from the convention stage, there have been warnings too.