mispump noun 1verb 1forms 3 noun1 •An act of mispumping.It's important that you get the mix ratio correct for the brand of epoxy you are using, and a burp or mispump may result in an inaccurate measurement that can throw off the ratio. — 1998 verb1 •To pump incorrectly.[…] some other problem, such as a mispumping into the supply tank, addition of an additive to the wrong product, a leaking tank coil, product filtration problems, and others. — 2003 formsmispumped · mispumping · mispumps
