Origin: Germanic Old English prefix
Outpatient has 3 different meanings across 1 category:
a patient who does not reside in the hospital where he is being treated
"The doctor scheduled my follow-up as an outpatient so I could return home immediately after the procedure."
A patient who receives treatment at a hospital or clinic but is not admitted overnight; a receiver of ambulatory care.
"The doctor scheduled my follow-up appointment as an outpatient so I could return home immediately after the procedure."
In plain English: An outpatient is someone who gets medical care without staying overnight at a hospital.
"Many patients prefer to remain outpatients rather than stay in the hospital overnight."
Usage: Use this noun to refer specifically to someone receiving medical care without staying in the facility, distinguishing them from patients admitted for overnight observation. It functions as both a label for the individual and part of compound terms like "outpatient department" or "outpatient surgery."
Provided without requiring an overnight stay by the patient.
"The doctor scheduled a follow-up appointment as an outpatient procedure so I could return home immediately after my checkup."
In plain English: Outpatient describes medical visits where you get care without staying overnight at the hospital.
"The doctor recommended that my treatment be done on an outpatient basis so I could go home immediately after each visit."
The word outpatient is formed by combining the prefix out- with patient to describe someone who receives medical treatment without staying overnight at a hospital. This straightforward construction highlights that the care happens outside of an institutional setting rather than within one.