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 (kē′tō-stĕr′oid′, -stîr′-)
A steroid, such as androsterone or estrone, that contains a ketone group.


(ˌkiːtəʊˈstɪərɔɪd; ˌkiːtəʊˈstɛrɔɪd)
(Chemistry) any steroid containing a ketone group in its molecule


(kɪˈtɒs təˌrɔɪd)

any of a group of steroids containing a ketone group.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ketosteroid - a steroid containing a ketone group
androsterone - an androgenic hormone that is less active than testosterone
estrone, Estronol, oestrone, theelin - a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency
cortisone, Cortone Acetate - a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone
steroid - any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects
References in periodicals archive ?
Derivatization of ketosteroids for their separation and determination by capillary electrophoresis.
A myriad of determinands caught his interest: magnesium, calcium, beryllium, gold, copper, iron, and zinc; phosphorous, chloride, and protein-bound iodine; creatinine, urea, bilirubin, proteins, estrogens, nucleic acids, ketosteroids, and haptoglobin; cholesterol, triglycerides, free fatty acids, and phospholipids; salicylates, barbiturates, thiobarbiturates, methotrexate, carbon monoxide, methanol, and ethanol; alkaline phosphatase, glucose-6-phosphatase, 5-'nucleotidase, cholinesterase, and creatine kinase.
Preparation of trimethylsilyl, triethylsilyl and tert-butyldimethylsilyl enol ethers from ketosteroids for investigations by gas-chromatography and mass-spectrometry.