preadmission

pre- +‎ admission

preadmission (not comparable)

1. Before admission (to a hospital, university, etc.).
   • 2007 December 18, “Troubled Manhattan Commercial College to Close”, in New York Times‎:

     In September, the Board of Regents said that commercial schools could no longer use the preadmission test that Interboro was using to determine whether students without high school diplomas had the ability to benefit from higher education, and thus be eligible for financial aid.

preadmission (uncountable)

1. A preadmission process; a process that precedes admission.
   1. (by extension, health care) A preliminary process that precedes hospital admission for some interventional or surgical procedures.
2. Admission, as of steam, to an engine cylinder before the backstroke is completed, thus increasing the cushioning.