[ pree-ad-mish-uh n ]
/ ˌpri ædˈmɪʃ ən /


(in a reciprocating engine) admission of steam or the like to the head of the cylinder near the end of the stroke, as to cushion the force of the stroke or to allow full pressure at the beginning of the return stroke.

Nearby words

  1. preachy,
  2. preacquisition profit,
  3. preadamite,
  4. preadapt,
  5. preadaptation,
  6. preadolescence,
  7. preadolescent,
  8. preadult,
  9. preagonal,
  10. preakness

Origin of preadmission

First recorded in 1885–90; pre- + admission Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019