That lets lake water in, so we lose buoyancy and sink.
There was a necessary caution to hauling in thirty tons of fish which lost buoyancy and doubled in weight as it left the water.
Now he had lost too much buoyancy, and could not regain altitude.
I'm sorry, sir, the chief says he can no longer keep the boat from losing neutral buoyancy.
Even Geral-dine's high spirits lost buoyancy as the weeks drew on.
If the salinity drops near 5 to 6%, the cysts will lose buoyancy and sink, making them more difficult to harvest.
Despite the departure of the menhirs the windwhale had begun to lose buoyancy.
If the float's wounds have not sealed completely, it could still be losing buoyancy and adding more mass to the tether.
They can also lose buoyancy and then drown.
Kronan quickly lost buoyancy and sank, taking most of her 850-man crew with her.