See Also: Kieselguhr(medicine)
kieselguhr(dictionary)

gobo (iou) and Kieselguhr (medicine)


gobo (iou)



gobo noun. Orig. US. Pl. -os. M20.
[Origin unkn.]
Cinematography & Photography. A portable screen used to shield a camera lens from light or a microphone from noise.

Kieselguhr (medicine)


kieselguhr
<chemical> Kieselguhr. A soft, bulky, solid material (88% silica) composed of skeletons of small prehistoric aquatic plants related to algae (diatoms). It can absorb 1.5-4 times its weight in water.

Chemical name: Kieselguhr