say it: luhm-PEK-tuh-mee
lumpectomy is a noun meaning "surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer". It carries one recorded sense.
surgical removal of a tumor without removing much of the surrounding tissue or lymph nodes; performed in some cases of breast cancer
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for lumpectomy come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.