from The Century Dictionary and Cyclopedia
- n. In a steam-engine, the point of release; the place, in the stroke of the piston at which the exhaust-valve opens, releasing the steam which has been confined behind the piston to drive it for its working stroke.
Sorry, no etymologies found.
When they burned to the release-point and flashed away past the ports, the Chief and Haney panted up from their chairs and made their way aft.
One report in particular stated that Younginer's natural talents, while unanimously considered well above average, occasionally fail to manifest as a result of his slight inability to maintain a consistent delivery and release-point.
(If it doesn't have trajectory information, it could be inferred from the release-point to capture-point differences.)
"Lance also had some release-point issues, but he made the adjustments, threw a gem last week, and continues to build on that.