See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
extinction(medicine)
Extinction(health)
extinction(dictionary)
extinction(dictionary)
extinction angle(medicine)
Extinction Pricing(money)
specific extinction(medicine)
undulose extinction(medicine)
visual extinction(medicine)

endo-n-acetylneuraminidase (medicine) and extinction (iou)


endo-n-acetylneuraminidase (medicine)


endo-N-acetylneuraminidase
<enzyme> Coliphage enzyme breaks E coli capsular polysaccharide down to oligosaccharides; cleaves alpha-2,8-linked polysialic acid

Registry number: EC 3.2.1.-

Synonym: endosialidase, endo-n-acylneuraminidase, endo-n-acetylneuraminidase e, endo ne, endo-n-acetylneuraminidase f, endo nf


extinction (iou)



extinction noun. LME.
[Latin ex(s)tinctio(n-), formed as EXTINCT verb: see -ION.]
The action or process of making or becoming extinct; the state or fact of being extinct; destruction, annihilation; abolition, suppression. LME.
R. S. R. Fitter Londoners..have uprooted some of the more striking plants of the London area almost to the point of extinction. T. S. Eliot The progress of an artist is..a continual extinction of personality. J. A. Michener Many times..the Jews would be threatened with extinction.
Physics. Reduction in the intensity of light or Other radiation as it passes through a medium or object. L18.
attrib.: G. E. Hutchinson The transmission is low and the extinction coefficient high in the infrared.
b. The appearance of darkness when a crystal is illuminated through a polarizer and viewed through another polarizer placed in a plane parallel to the first but oriented at right angles to it. L19.