-stomy

(redirected from -ostomy)
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-stomy

suff.
A surgical operation in which an artificial opening is made into a specified organ or part: colostomy.

[Greek stoma, opening, mouth + -y.]

-stomy

n combining form
(Surgery) indicating a surgical operation performed to make an artificial opening into or for a specified part: cytostomy.
[from Greek -stomia, from stoma mouth]

-stomy

a combining form used in the names of surgical operations that involve the establishment of an artificial opening into or between the part or parts specified by the initial element: colostomy.
[< Greek -stomia, derivative of stóma mouth. See -stome, -y3]