hemithyroidectomy

noun
hemi·​thy·​roid·​ec·​to·​my | \ -ˌthī-ˌrȯid-ˈek-tə-mē How to pronounce hemithyroidectomy (audio) \
plural hemithyroidectomies

Medical Definition of hemithyroidectomy

: surgical removal of one lobe of the thyroid gland