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 Jules Verne

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

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

Microcosmic salt dissolves the compounds of antimony in the flame of oxidation with intumescence, to a clear light-yellow colored bead, which when cold is colorless.

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