See Also: oestriol(medicine)
oestriol(dictionary)

cupel (iou) and oestriol (medicine)


cupel (iou)



cupel noun & verb. Also coppel. E17.
[French coupelle dim. of coupe CUP noun: see -EL2.]
A. noun. A shallow vessel made of a refractory material which absorbs impurities when gold or silver is melted in it. E17.
fig.: Disraeli Money is to be the cupel of their worth.
b. verb trans. Infl. -ll-, -l-. Assay or refine in a cupel; subject to cupellation. M17.
cupe'llation noun assaying or refining using a cupel; separation of silver from lead in this way: L17.

oestriol (medicine)


oestriol -->
estriol
<chemical> (16 alpha,17 beta)-estra-1,3,5(10)-triene-3,16,17-triol. A metabolite of estradiol and usually the predominant oestrogenic metabolite in urine. During Pregnancy, large amounts of estriol are produced by the placenta. It has also been obtained from plant sources. The 16 beta-isomer has also been isolated from the urine of pregnant women.

Chemical name: Estra-1,3,5(10)-triene-3,16,17-triol, (16alpha,17beta)-