Meanings of intumescence in English

Before the blowpipe the mineral readily fuses with intumescence to a colourless glass.

Notice whether the substance fuses with the bead, and if so, whether there is intumescence or not.

If intumescence takes place, the presence of either tartaric acid, molybdic acid, silicic, or tungstic acid, is indicated.

Stilbite is characterized by its form, difficult gelatinizing, and intumescence before the blowpipe; from natrolite as mentioned under that species.

The silicates of lime are moreover frequently characterized by intumescence or ebullition, when heated in the forceps in the blowpipe flame.

Here, an intumescence which was to become a mountain, there, an abyss which was to be filled with an ocean or a sea.

We observe hillocks and intumescences caused by the action of the elastic vapours, cones of broken scoriae and ashes which cover the funnels.