The Collaborative International Dictionary
Preadmission
Preadmission \Pre`ad*mis"sion\, n. Lit., previous admission; specif. (Engin.), admission, as of steam, to the engine cylinder before the back stroke is completed, thus increasing the cushioning.
Wiktionary
preadmission
a. Prior to admission (to a hospital, university, etc.). n. Admission, as of steam, to an engine cylinder before the backstroke is completed, thus increasing the cushioning.
Usage examples of "preadmission".
This was a document prepared for Benson to sign under the impression that he was signing a receipt for five hundred pounds, but actually serving as a preadmission of suicide.