intumescence

Tin-oxides combine with carbonate of soda, in the flame of oxidation upon platinum wire, with intumescence to a bulky and confused mass, which is insoluble in more soda.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

Perhaps his admirers may answer, that my remark is but the ramification of envy, the intumescence of ill-nature, the exacerbation of 'gloomy malignity.'

From Deformities of Samuel Johnson, Selected from his Works by Anonymous

However, I may tell you that the bird is simous; yblent in the sunlight, but withal strenuous-eyed; its blood inclined to intumescence.

From The O'Ruddy A Romance by C. D. (Charles D.) Williams

In the flame of reduction, and upon charcoal, it is reduced with intumescence to metallic lead, which is volatilized by a continued blast, and sublimates on charcoal, as mentioned above.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

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

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous