intumescence

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

From The Underground City, or, the Child of the Cavern by Verne, Jules

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

Puff′iness, state of being puffy or turgid: intumescence; Puff′ing, the act of praising extravagantly.—adv.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various

Carbonate of Soda dissolves it upon platinum wire in the oxidation flame with intumescence, to a clear bead, which appears milk-white after cooling.

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

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 Williams, C. D. (Charles D.)