perflationn.

Brit.

/pəˈfleɪʃn/, U.S.

/pərˈfleɪʃ(ə)n/

Origin: A borrowing from Latin. Etymons: Latin perflation-, perflatio.

Etymology: < post-classical Latin perflation-, perflatio action of blowing through (5th cent.) < classical Latin perflāt- , past participial stem of perflāre perflate v. + -iō -ion suffix¹. Compare Middle French perflation (c1550 in Paré in an apparently isolated attestation).

The action of blowing through or on something; esp. ventilation provided by air blowing through a space; an instance of this.

ΘΚΠ

the world > matter > gas > air > moving air > [noun] > free movement of air

ventilation1605

perflation1658

1658 Sir T. Browne Garden of Cyrus iv, in Hydriotaphia: Urne-buriall 163 They had the advantage of a fair perflation from windes.

1695 J. Woodward Ess. Nat. Hist. Earth 207 Which the Miners effect by Perflations with large Bellows.

1775 S. Johnson Journey W. Islands 182 That [barn]..was so contrived..as by perpetual perflation to prevent the mow from heating.

1826 A. C. Hutchison Pract. Observ. Surg. (ed. 2) 206 Cleanse and thoroughly ventilate, by a perflation of air, the place from whence they came.

1901 Brit. Med. Jrnl. 9 Mar. 570/2 The alternative rooms must be situated..in such a manner as to secure perflation from opposite fronts.

1948 L. E. H. Whitby Nurses' Handbk. Hygiene (ed. 8) i. 19 Winds may act..by ‘perflation’, that is, by actually blowing through a room when doors and windows are thrown open.

1981 Equine Vet. Jrnl. 13 167 Both indicate the satisfactory nature of ventilation by stack effect, aspiration and perflation.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	perflation
释义	perflationn. Brit. /pəˈfleɪʃn/, U.S. /pərˈfleɪʃ(ə)n/ Origin: A borrowing from Latin. Etymons: Latin perflation-, perflatio. Etymology: < post-classical Latin perflation-, perflatio action of blowing through (5th cent.) < classical Latin perflāt- , past participial stem of perflāre perflate v. + -iō -ion suffix¹. Compare Middle French perflation (c1550 in Paré in an apparently isolated attestation). The action of blowing through or on something; esp. ventilation provided by air blowing through a space; an instance of this. ΘΚΠ the world > matter > gas > air > moving air > [noun] > free movement of air ventilation1605 perflation1658 1658 Sir T. Browne Garden of Cyrus iv, in Hydriotaphia: Urne-buriall 163 They had the advantage of a fair perflation from windes. 1695 J. Woodward Ess. Nat. Hist. Earth 207 Which the Miners effect by Perflations with large Bellows. 1775 S. Johnson Journey W. Islands 182 That [barn]..was so contrived..as by perpetual perflation to prevent the mow from heating. 1826 A. C. Hutchison Pract. Observ. Surg. (ed. 2) 206 Cleanse and thoroughly ventilate, by a perflation of air, the place from whence they came. 1901 Brit. Med. Jrnl. 9 Mar. 570/2 The alternative rooms must be situated..in such a manner as to secure perflation from opposite fronts. 1948 L. E. H. Whitby Nurses' Handbk. Hygiene (ed. 8) i. 19 Winds may act..by ‘perflation’, that is, by actually blowing through a room when doors and windows are thrown open. 1981 Equine Vet. Jrnl. 13 167 Both indicate the satisfactory nature of ventilation by stack effect, aspiration and perflation. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1658
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