Definitions
1.NounA thin-walled area of the roots of some plants growing in swampy conditions through which gasses are exchanged.
2.NounAerophore pulmonaire; a respirator for use with neonates and small animals developed by French obstetrician Gairal in 1879.
3.NounA predecessor of the radio, invented by Rene Homer in the early 1900s for communication between ships.
4.NounA nineteenth-century device with breathing tubes used by miners and workmen in areas that contain toxic fumes.
5.NounA predecessor of the aqualung, invented by Benoit Rouquayrol and Auguste Denayrouze 1865