aerophore

From aero- +‎ -phore.

aerophore (plural aerophores)

1. (botany) A thin-walled area of the roots of some plants growing in swampy conditions through which gasses are exchanged.
   • 1977, Richard Alden Howard, Flora of the Lesser Antilles: Proctor, G. R. Pteridophyta, page 276:

     Segments with more than 25 pairs of veins; indusium minute, ciliate. soon disappearing; a linear-attenuate brown aerophore present at base of each pinna 16.

   • 2000, Bothalia - Volumes 30-31, page 61:

     In most species the dorsolateral aerophore line is conspicuous throughout the length of the stipe, generally being somewhat paler in colour than the surrounding tissue.

2. (medicine) Aerophore pulmonaire; a respirator for use with neonates and small animals developed by French obstetrician Gairal in 1879.
   • 1944 February, AH Maloney, “Artificial Respiration and the Revair Aerophore”, in Anesthesia & Analgesia, volume 23, number 1:

     The Aerophore was attached as soon as respiration ceased and was continued for three minutes at which time the animal began to breathe spontaneously.

   • 2001 August, MFB de Almeida, R Guinsburg, “Controversies in neonatal resuscitation”, in Jornal de pediatria:

     The first apparatus used for intermittent positive pressure ventilation was the “aerophore pulmonaire,” developed by French obstetrician Gairal and made known to the public in 1897.

   • 2003 June 15, Xueding Wang, Yongjiang Pang, Geng Ku, Xueyi Xie, George Stoica, Lihong V Wang, “Noninvasive laser-induced photoacoustic tomography for structural and functional in vivo imaging of the brain”, in Nature biotechnology, volume 21:

     The mouths and noses of the rats were covered with an aerophore to allow them to breathe in the water.

   • 2009, SC Broster, JS Ahluwalia, “Overview of assisted ventilation of the newborn”, in Paediatrics and Child Health:

     In the late 1800's Gairal, a French obstetrician, developed the “aerophore pulmonaire” which provided intermittent positive pressure ventilation of newborn infants.

3. (historical) A predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships.
   • 1909, Hugo Gernsback, Charles Augustus Le Quesne, Austin Celestin Lescarboura, Modern Electrics Volume 2, Issue 1, page 21:

     The aerophore will be placed in operation some time during the coming season by the Great Lakes Radio Telephone Company, in conjunction with the wireless telephone.

   • 1911, Abridgments of Specifications Class 38, page 559:

     The wheel Q is also provided with frequently-recurring contacts T, which are different for each transmitting-device or “aerophore,” in order to indicate the location of the aerophore from which the direction signals are transmitted.

   • 1913, Henry Walter Young, Popular Electricity and the World's Advance:

     The shaft of the aerophore's searchlight might represent the gun barrel, and the Hertzian waves, bearing the message, the bullet.

   • 1950, Lee De Forest, Father of radio: the autobiography of Lee de Forest, page 260:

     The Aerophore is inevitably to be installed at countless danger points all along the sea and lake coasts, lighthouses, at the mouths of rivers, harbors, etc.

4. (historical) A nineteenth-century device with breathing tubes used by miners and workmen in areas that contain toxic fumes.
   • 1874, Scientific American, page 132:

     The aerophore consists of a number of large or small cylinders as desired, which are lowered into the place with the workman. Connected with the cylinders is a long flexible tube almoast an inch in diameter of such strength that it cannot be damaged even by being trod upon.

   • 1875, Spencer Fullerton Baird, Annual Record of Science and Industry - Volume 4, page 461:

     The aerophore, a new life-saving apparatus, is at present attracting much attention. It is specially designed to enable the workman or miner to enter a mine full of fire-damp, and to labor there with complete immunity from danger.

   • 2012, David Jin, Sally Lin, Advances in Mechanical and Electronic Engineering: Volume 1, →ISBN:

     For antiexplosion, special tools must be taken, and maintenance workers generally need to be armed with exposure suit and aerophore, otherwise it can be harmful to their skin, eyes and respiratory system and even lead to fatal accidents.

6. (underwater diving, historical) A predecessor of the aqualung, invented by Benoit Rouquayrol and Auguste Denayrouze 1865
   • 1992, Richard A. Clinchy, Glen H. Egstrom, Lou Fead, Jeppesen's Open Water Sport Diver Manual, →ISBN, page 53:

     Predecessor of modern scuba was the 1865 aerophore invention of Rouquayrol and Denayrouze.

   • 2010, Dennis Graver, Scuba Diving-4th Edition, →ISBN, page 3:

     Benoit Rouquayrol (a French mining engineer) and Auguste Denayrouze (a French naval officer) invented the aerophore in 1865. Their creation is considered the source of modern scuba equipment.

   • 2015, Stephen Harrigan, Water and Light: A Diver's Journey to a Coral Reef, →ISBN, page 190:

     The aerophore consisted of two main components — an air-filled canister about the size and shape of a lawn mower engine, which the diver wore on his back, and a new creation, a "regulator," which automatically adjusted the pressure of the air in the tank to that of the water surrounding it.