Definition of exudate in English:


Syllabification: ex·u·date
Pronunciation: /ˈeksyo͞oˌdāt, ˈeksə-


  • 1An exuded substance, in particular.
    More example sentences
    • Stalked, glandular trichome on surface of labellar callus with exudate that possibly contains terpenes.
    • The sap was allowed to exude for 10 min and this exudate was discarded.
    • Dry gauze dressings may be chosen as the primary dressing for open wounds with heavy exudate; the gauze will wick away exudate.
  • 1.1 Medicine A mass of cells and fluid that has seeped out of blood vessels or an organ, especially in inflammation.
    More example sentences
    • Histologically, no cardial brain abscesses show purulent exudate surrounded by variable amounts of fibrosis.
    • A similar reaction was present in the left ovary surrounding an abscess cavity containing purulent exudate and surrounded by dense fibrosis and chronic inflammation.
    • To be included in the analysis, patients had to have at least three of the following conditions concomitantly: fever, tonsillar exudate, tender anterior cervical lymph nodes and absence of cough.
  • 1.2 Botany & Entomology A substance secreted by a plant or insect.
    More example sentences
    • The chemical properties of plant litter and exudates strongly influence many chemical properties of soils that are critical to ecosystem functioning.
    • Cytokinins were analysed in leaf extracts, leaf phloem exudate and in the shoot apical meristem at different times during floral transition.
    • Moreover, the composition of exudates produced by glandular trichomes may change with leaf age.


late 19th century: from Latin exsudat- 'exuded', from the verb exsudare.

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