lymphocytosis

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noun

An increase in the number or proportion of lymphocytes in the blood.

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Meanings

nounlymphocytosis (countable and uncountable, plural lymphocytoses)

plural lymphocytoses

  1. countableuncountablemedicineAn increase in the number or proportion of lymphocytes in the blood.

    In disease of the spleen, especially Banti's disease or fibro-adenia of the spleen, the increase of leukocytes is absent or slight, with no relative lymphocytosis.

    1923, International Medical Digest, page 316

Origin

From lymphocyte + -osis.

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Cite this entry
APA

lymphocytosis. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lymphocytosis

MLA

“lymphocytosis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lymphocytosis. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “lymphocytosis,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lymphocytosis.

Source: lymphocytosis on Wiktionary, CC BY-SA 4.0.