See Also: devalue(dictionary)
devalue(dictionary)
Devalue(money)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Zimmermann, Arthur(encyclopedia)
polkissen of Zimmermann(medicine)
Zimmermann test(medicine)
Zimmermann reaction(medicine)
Zimmermann, Wilhelm(medicine)
Zimmermann's granule(medicine)

Zimmermann reaction (medicine) and devalue (iou)


Zimmermann reaction (medicine)


Zimmermann reaction


A chemical reaction between an alkaline solution of meta-dinitrobenzene and an active methylene group (carbon-16) of 17-ketosteroids; it is the basis of the 17-ketosteroid assay t.; more generally, a reaction between methylene ketones and aromatic polynitro compounds in alkaline solutions.

Synonym: Zimmermann test.


devalue (iou)



devalue verb trans. [di:'valju:] E20.
[from DE- 3 + VALUE noun.]
Reduce or annul the value of; deprive of value; spec. reduce the official value of (a currency) relative to gold or another currency.
Lyndon B. Johnson The British government had decided to devalue the pound from $2.80 to $2.40. M. Sarton Men still do rather consistently undervalue or devalue women's powers. W. Boyd The reek of corn beer on his breath tended to devalue his protestations of innocence.