misruns

Noun

misrun (countable and uncountable, plural misruns)

1. A casting that does not completely fill the mold, leaving unfilled spaces.
   • The reasons for cold shut or misrun may be too thin sections, improper gating system, slow and intermittent pouring, poor fluidity of metal.2002, K Varaprasad Rao, Manufacturing Science And Technology, page 56
2. A failed test of oil or gas drilling equipment.
   • The experience of most drillstem testing companies indicates that the chance of a misrun in a poorly prepared hole is approximately 30 percent, whereas the chance of a misrun in a well-prepared hole has been cut down to roughly 15 percent.1960, Petroleum Engineer for Management - Volume 32, page 41

See all 5 meanings of misrun