alumbre

n. alum, double sulfate (Chemistry)

v. light, light up

v. illuminate, inspire, enlighten; marvel, wonder, fascinate, captivate, enchant

= alum.
Nota: Sulfato usado en la fabricación de papel.
Ex: Test for alum with a spot of aluminon solution (1 gm. aluminon in 1,000 ml. distilled water).
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* cola de alumbre = alum sizing.
* encolado con alumbre = alum-sized.

= shine.
Ex: A light box would be provided for this purpose so that the cards could be accurately stacked on top of each other to allow the light from the light box to shine through any holes that the three cards had in common.