WordReference Random House Unabridged Dictionary of American English © 2026
sig•moid•o•scope
(sig moi′də skōp′),USA pronunciation n.
sig•moid•o•scop•ic
(sig moi′də skop′ik),USA pronunciation adj.
sig•moid•os•co•pist
(sig′moi dos′kə pist),USA pronunciation n.
- Medicinea rigid or flexible endoscope for visual examination of the rectum and sigmoid colon. Also called proctosigmoidoscope.
- 1900–05; sigmoid (flexure) + -o- + -scope
'sigmoidoscope' also found in these entries (note: many are not synonyms or translations):