deflagrationn.

/dɛfləˈɡreɪʃən/

Etymology: < Latin dēflagrātiōn-em, noun of action from dēflagrāre to deflagrate v. Compare modern French déflagration.

†1.

a. The rapid burning away of anything in a destructive fire; consumption by a blazing fire. Obsolete.

ΘΚΠ

the world > matter > properties of materials > temperature > heat > burning > [noun] > rapid combustion

deflagration1607

1607 Bp. J. King Serm. 30 A type of the deflagration of Sodome and Gomorre.

?1608 S. Lennard tr. P. Charron Of Wisdome iii. iv. 412 Witnesse that great deflagration..in Constantinople.

1659 J. Pearson Expos. Creed (1839) 88 By supposing innumerable deluges and deflagrations.

1788 Potter Sophocles Pref. to Œdipus (R.) Till the mountain..discharges its torrent fires, which..carry with them deflagration, ruin, and horror.

1811 J. Pinkerton Petralogy II. 547 In Fifeshire..a coal-mine has continued in a state of deflagration, at least since the time of Buchanan, 1560.

a1856 W. Hamilton Lect. Metaphysics (1859) II. xxxix. 381 We see..the fall of a spark on gunpowder, for example, followed by the deflagration of the gunpowder.

†b. Of a volcano: A blazing out into flame.

ΚΠ

1691 J. Ray Wisdom of God (1732) ii. v. 259 The great Deflagrations or Eruptions of Vulcanos.

2. Physics. The action of deflagrating; rapid, sharp combustion with sudden evolution of flame; esp. the sudden combustion of a substance for the purpose of producing some change in its composition by the joint action of heat and oxygen (cf. quot. 1831); also, the sudden combustion and oxidation of a metal by the electric spark.

ΚΠ

1666 R. Boyle Origine Formes & Qualities Nor were all its inflammable parts consum'd at one deflagration.

1674 Philos. Trans. (Royal Soc.) 9 102 The deflagration of Niter.

1706 Phillips's New World of Words (new ed.) Deflagration..In Chymistry, the inkindling and burning off in a Crucible a Mixture of a Salt or of some Mineral Body with a Sulphureous one, in order to purify the Salt, or to make a Regulus of the Mineral; as in the preparing of Sal Prunellæ and Regulus of Antimony.

1755 Philos. Trans. 1754 (Royal Soc.) 48 679 A violent deflagration arose, and the platina was almost instantly dissolved.

1815 J. Smith Panorama Sci. & Art II. 282 Galvanic batteries..the larger the plates, the greater is their power of deflagration.

1831 T. P. Jones New Conversat. Chem. xxii. 228 The metals are sometimes oxidized by what is called deflagration. That is, by mixing them with nitre, and projecting the mixture into a red hot crucible.

This entry has not yet been fully updated (first published 1894; most recently modified version published online September 2021).

单词	deflagration
释义	deflagrationn. /dɛfləˈɡreɪʃən/ Etymology: < Latin dēflagrātiōn-em, noun of action from dēflagrāre to deflagrate v. Compare modern French déflagration. †1. a. The rapid burning away of anything in a destructive fire; consumption by a blazing fire. Obsolete. ΘΚΠ the world > matter > properties of materials > temperature > heat > burning > [noun] > rapid combustion deflagration1607 1607 Bp. J. King Serm. 30 A type of the deflagration of Sodome and Gomorre. ?1608 S. Lennard tr. P. Charron Of Wisdome iii. iv. 412 Witnesse that great deflagration..in Constantinople. 1659 J. Pearson Expos. Creed (1839) 88 By supposing innumerable deluges and deflagrations. 1788 Potter Sophocles Pref. to Œdipus (R.) Till the mountain..discharges its torrent fires, which..carry with them deflagration, ruin, and horror. 1811 J. Pinkerton Petralogy II. 547 In Fifeshire..a coal-mine has continued in a state of deflagration, at least since the time of Buchanan, 1560. a1856 W. Hamilton Lect. Metaphysics (1859) II. xxxix. 381 We see..the fall of a spark on gunpowder, for example, followed by the deflagration of the gunpowder. †b. Of a volcano: A blazing out into flame. ΚΠ 1691 J. Ray Wisdom of God (1732) ii. v. 259 The great Deflagrations or Eruptions of Vulcanos. 2. Physics. The action of deflagrating; rapid, sharp combustion with sudden evolution of flame; esp. the sudden combustion of a substance for the purpose of producing some change in its composition by the joint action of heat and oxygen (cf. quot. 1831); also, the sudden combustion and oxidation of a metal by the electric spark. ΚΠ 1666 R. Boyle Origine Formes & Qualities Nor were all its inflammable parts consum'd at one deflagration. 1674 Philos. Trans. (Royal Soc.) 9 102 The deflagration of Niter. 1706 Phillips's New World of Words (new ed.) Deflagration..In Chymistry, the inkindling and burning off in a Crucible a Mixture of a Salt or of some Mineral Body with a Sulphureous one, in order to purify the Salt, or to make a Regulus of the Mineral; as in the preparing of Sal Prunellæ and Regulus of Antimony. 1755 Philos. Trans. 1754 (Royal Soc.) 48 679 A violent deflagration arose, and the platina was almost instantly dissolved. 1815 J. Smith Panorama Sci. & Art II. 282 Galvanic batteries..the larger the plates, the greater is their power of deflagration. 1831 T. P. Jones New Conversat. Chem. xxii. 228 The metals are sometimes oxidized by what is called deflagration. That is, by mixing them with nitre, and projecting the mixture into a red hot crucible. This entry has not yet been fully updated (first published 1894; most recently modified version published online September 2021). < n.1607
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