Definition of respirable in English:

respirable

adjective

  • 1(of the air or a gas) able or fit to be breathed.

    ‘a respirable atmosphere’
    • ‘We currently have insufficient evidence about the mechanisms of the association between respirable pollutants from smoking or indoor air pollution and tuberculosis.’
    • ‘The invention relates to a system for administering a respirable gas, particularly at a pressure level lying above the ambient pressure.’
    • ‘In compressed-gas diving, respirable gas is supplied to the diver (from the surface, from a diving bell or hyperbaric chamber, or from a scuba.’
    • ‘A supplemental respiratory device is shown that uses electronic components to regulate the flow of a respirable gas to a user, intermittently, on a demand basis.’
    • ‘And, concerning that other fluid element of antiquity, he announced that atmospheric air is composed of two elastic fluids of different and opposite qualities, which he called mephitic air and highly respirable air.’
    1. 1.1 (of particles in the air) able to be breathed in.
      ‘woodworking can create quantities of fine respirable dust’
      • ‘More importantly, investigators have found that airborne Stachybotrys spores are highly respirable, and they contain trichothecene mycotoxins.’
      • ‘Ultrafine particles are highly toxic to the lungs, even when they are formed from materials that are nontoxic, and when they are components of larger, respirable particles.’
      • ‘Proper filter selection is essential, including low airflow resistance and efficient retention of respirable particles.’
      • ‘Although the size distributions of these aerosols were variable, they mostly fell into the respirable range.’
      • ‘Under these circumstances, children could be exposed intensively and continuously to both inorganic and organic respirable toxins while outdoors.’

Origin

Late 18th century: from French respirable or late Latin respirabilis, from respirare ‘breathe out’ (see respire).

Pronunciation

respirable

/rɪˈspʌɪrəb(ə)l//ˈrɛsp(ə)rəb(ə)l/