breathing

 
Pronunciation: /ˈbriːðɪŋ/

noun

  • 1 [mass noun] the process of taking air into and expelling it from the lungs: his breathing was shallow
  • 2a sign in Greek (῾ or ᾿) indicating the presence of an aspirate (rough breathing) or the absence of an aspirate (smooth breathing) at the beginning of a word.