WordReference Random House Unabridged Dictionary of American English © 2026
cly•sis
(klī′sis),USA pronunciation n., pl. -ses (-sēs).USA pronunciation [Med.]
- Medicinethe administration of an enema.
- Medicineintravenous administration of any of a number of solutions to provide nutriment, replace lost body fluid or control blood pressure.
- Greek klýsis flushing by an enema; see clyster, -sis
- Neo-Latin
'clysis' also found in these entries (note: many are not synonyms or translations):