— oncologic /ong'keuh loj"ik/ , oncological , adj. — oncologist , n.
/ong kol"euh jee/ , n.
1. the branch of medical science dealing with tumors, including the origin, development, diagnosis, and treatment of malignant neoplasms.
2. the study of cancer.
[ 1855-60; ONCO- + -LOGY ]