rebreathev.

1636 T. Heywood Challenge for Beautie iv. sig. F2^v Have hope to bee redeemd..Hope to re-breathe that ayre you tasted first.

1728 R. Bury Coll. Sundry Messages & Warnings 10 The Ocean breatheth and rebreatheth in a changeable Course.

1778 Trip to Melasge II. 56 The other apartments have a snuggity in them that..leaves the sweet perfume, which flows from the lips, to be breathed and rebreathed again.

1786 T. Seddon Lett. Officer I. iii. 13 Unable if a body like himself is, by accident, left entire, but lifeless, to rebreathe into its nostrils the breath of life.

c1865 J. Wylde Circle of Sci. I. 427/1 He must..re-breathe these..exhalations.

1877 Lancet 9 June 863/2 The aperture in the mouthpiece..should then be closed, so as to compel the patient to breathe and rebreathe the same ether-charged air.

1903 Chem. News 87 228/1 [The respirator] should not permit expired air to be re-breathed.

1939 Lancet 1 Apr. 750/2 The patient re-breathes his own warmed and humid vapours throughout the anæsthesia.

1991 Star-Ledger (Newark, New Jersey) 27 Oct. h2/4 For quick relief, cup your hands or a paper bag over your nose and mouth and breathe slowly. By rebreathing carbon dioxide (released from your lungs) you'll begin to draw deeper, slower breaths and return your blood carbon dioxide to a normal level.

1865 Lancet 21 Jan. 68/2 That breathing and re-breathing already re-breathed air..is highly noxious, nay often fatal, to those who do so, is..frankly admitted by almost the least intelligent.

1896 T. C. Allbutt et al. Syst. Med. I. 310 The consequence is that patients have to inhale rebreathed air.

1985 C. S. Ward Anaesthetic Equipm. (ed. 2) p. viii/1 (Gloss.) The rebreathed gases may have previously occupied only the patient's dead space, and therefore this does not constitute functional rebreathing.

1877 A. Carpenter Preventive Med. 81 We conclude that the constant re-breathing of an air which has already been deprived of its oxidising power must have the effect of shortening life.

1935 Sun (Baltimore) 17 May 5/2 Their faces are covered with four layers of gauze, muffling nose, mouth, eyes and ears. One purpose of the gauze is to increase slightly the rebreathing of exhaled carbon dioxide.

1976 H. MacInnes Death Reel xxiii. 184 He was pulled in..by a diver using re-breathing apparatus.

1995 N.Y. Times Mag. 27 Aug. 53/1 Dr. Kim Olson..maintains the anesthesia by squeezing a lungful of oxygen and isoflurane into Cam Fella from a ‘rebreathing bag’.