Medical Suffix
-iasis
-iasis means abnormal condition or formation (from the Greek -iasis, meaning a diseased condition).
What does -iasis mean?
The suffix -iasis means an abnormal condition, or the presence or formation of something. It comes from Greek. It often appears in words naming a condition marked by the presence of stones, organisms, or an abnormal state. For example, lithiasis means the formation of stones. It is similar to the suffix -osis.
Example words using -iasis
Related word parts
Frequently asked questions
What does -iasis mean?
The suffix -iasis means an abnormal condition or the formation of something, and comes from Greek.
What does lithiasis mean?
It means the formation of stones, combining lith/o (stone) with -iasis.
What is cholelithiasis?
It is the presence of gallstones, combining chol/e (bile) and lith (stone) with -iasis.
Study reference only — not medical advice. Always consult qualified sources for clinical decisions.