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[luhm-pek-tuh-mee] /lʌmˈpɛk tə mi/

noun, plural lumpectomies.
the surgical removal of a breast cyst or tumor.
noun (pl) -mies
the surgical removal of a tumour in a breast

1971, from lump (n.), coined on model of mastectomy.

lumpectomy lump·ec·to·my (lŭm-pěk’tə-mē)
See tylectomy.


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  • Lumped

    [luhmp] /lʌmp/ noun 1. a piece or mass of solid matter without regular shape or of no particular shape: a lump of coal. 2. a protuberance or swelling: a blow that raised a lump on his head. 3. an aggregation, collection, or mass; clump: All the articles were piled in a great lump. 4. Also […]

  • Lumpen

    [luhm-puh n] /ˈlʌm pən/ adjective 1. of or relating to disfranchised and uprooted individuals or groups, especially those who have lost status: the lumpen bourgeoisie. noun 2. a lumpen individual or group. /ˈlʌmpən/ adjective 1. (informal) stupid or unthinking

  • Lumpenprole

    [luhm-puh n-prohl] /ˈlʌm pənˌproʊl/ noun, Informal. 1. a member of the .

  • Lumpenproletariat

    [luhm-puh n-proh-li-tair-ee-uh t] /ˈlʌm pənˌproʊ lɪˈtɛər i ət/ noun, (sometimes initial capital letter) (esp. in Marxist theory) 1. the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity. /ˌlʌmpənˌprəʊlɪˈtɛərɪət/ noun 1. (esp in Marxist theory) the amorphous urban social group below the proletariat, […]

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