preadmission

== English == === Etymology === From pre- +‎ admission. === Adjective === preadmission (not comparable) Before admission (to a hospital, university, etc.). === Noun === preadmission (uncountable) A preadmission process; a process that precedes admission. (by extension, health care) A preliminary process that precedes hospital admission for some interventional or surgical procedures. Admission, as of steam, to an engine cylinder before the backstroke is completed, thus increasing the cushioning.