A dehydrogenated analogue of cortisone with the same actions and uses; must be converted to prednisolone before active; inhibits proliferation of lymphocytes.

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pred·ni·sone 'pred-nə-.sōnalso -.zōn n a glucocorticoid C21H26O5 that is a dehydrogenated analog of cortisone and is used as an anti-inflammatory agent, as an antineoplastic agent, and as an immunosuppressant

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pred·ni·sone (predґnĭ-sōn) [USP] a synthetic glucocorticoid derived from cortisone, administered orally as an antiinflammatory and immunosuppressant in a wide variety of disorders.

Medical dictionary. 2011.

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  • prednisone — (n.) 1955, probably from pregnadiene, from the stem of PREGNANCY (Cf. pregnancy), + ending from CORTISONE (Cf. cortisone) …   Etymology dictionary

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  • prednisone — noun Etymology: probably from pregnane (C21H36) + diene (compound containing two double bonds) + cortisone Date: 1955 a glucocorticoid C21H26O5 that is a dehydrogenated analog of cortisone and is used as an anti inflammatory agent, as an… …   New Collegiate Dictionary

  • prednisone — (= 1,4 pregnadiene 17a, 21 diol 3,11,20 trione) Synthetic steroid that acts as a glucocorticoid, with powerful anti inflammatory and anti allergic activity …   Dictionary of molecular biology

  • prednisone — /pred neuh sohn , zohn /, n. Pharm. an analogue of cortisone, C21H26O5, used as an anti inflammatory, immunosuppressive, and antineoplastic in the treatment of various diseases. [1950 55; pre(gna)d(ie)n(e), a component of its chemical name +… …   Universalium

  • prednisone — noun A synthetic corticosteroid used to treat a large number of conditions …   Wiktionary

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