See Also: pyrolusite(medicine)
pyrolusite(dictionary)

nidus (iou) and pyrolusite (medicine)


nidus (iou)



nidus noun. , niduses. E18.
[Latin = nest.]
a. Medicine. A place in which bacteria or Other pathogens have multiplied; a focus of infection. E18.
b. Zoology. A nest or place in which a small animal, as an insect, snail, etc., lives or deposits its eggs. M18.
c. Botany. A place or substance in which spores or seeds develop. L18.
A place in which something is formed, deposited, settled, or located; a site of origin. L18.
fig. A source, an origin; a place where some quality or principle is fostered. E19.
A collection of eggs, tubercles, etc. rare. E19.

pyrolusite (medicine)


pyrolusite
<chemical> Manganese dioxide, a mineral of an iron-black or dark steel-gray colour and metallic luster, usually soft. Pyrolusite parts with its oxygen at a red heat, and is extensively used in discharging the brown and green tints of glass (whence its name).

Origin: Pyro- + Gr. To loose, or a loosing.

Source: Websters Dictionary