backprimed

Verb

backprime (third-person singular simple present backprimes, present participle backpriming, simple past and past participle backprimed)

1. (transitive) To add (a secondary infusion) to a patient by priming it with fluid from the primary infusion.
   • Hang and adjust the rate or set the infusion pump as indicated. If using an infusion pump, follow the specific manufacturer's guidelines to backprime the secondary set.2010, Linda Laskowski-Jones, Alexandra Falkowski, “Infusion Therapy”, in Donna D. Ignatavicius, M. Linda Workman, editors, Medical-Surgical Nursing: Patient-Centered Collaborative Care, 6th edition...
2. (transitive) To apply a layer of primer to the back side of (a surface).
   • I'm assuming a well-built building, with clear pine trim and vertical-grain red cedar clapboards. The first step is to backprime the trim and siding. Backpriming is simply painting the back of the boards — the side against the house — with oil-base primer before they are installed.1992, Jim Locke, The Well-Built House, Revised edition, New York, NY: Houghton Mifflin Company, →ISBN, page 262

See all 3 meanings of backprime