Before a discharge (especially, discharge from a hospital, military service, or other institution).
In general, patients who cannot perform a predischarge exercise test have a worse prognosis than those than can do the test.2010, Pierre Theroux, Acute Coronary Syndromes, page 122:
predischarge
verb
Etymology From pre- + discharge.
1
To discharge beforehand.
Filling gas is predischarged by a mini-size coaxial plasma gun, inserted in a side port.1987, Researches of the Electrotechnical Laboratory, page 26:
Initially all signal triplets are predischarged and held at high impedance.2010, Sunil P Khatri, Kanupriya Gulati, Hardware Acceleration of EDA Algorithms, page 50:
1 more example
It would be interesting if an experiment were performed in which the D2 is first preheated or predischarged before injection into the laser cavity.2013, Kenneth J. Button, Infrared and Millimeter Waves V7, page 184:
predischarge
noun
Etymology From pre- + discharge.
1
The act of predischarging, or that which is predischarged.
The experiments undertaken in order to determine which of the predischarges, the positive or the negative, is the more important for long sparks.1928, The London, Edinburgh and Dublin Philosophical Magazine Journal of Science, page 856:
The transition in predischarges at certain gap distances resulted in two different breakdown voltages.1973, Digest of Literature on Dielectrics, page 266: