Definition of pneumogram in US English:

pneumogram

noun

Medicine
  • 1A tracing made by a pneumograph; a graphic record of respiration. In later use also: an instrument for monitoring respiratory activity; an examination with such an instrument.

  • 2An X-ray made by pneumography. Now rare.

Origin

Late 19th century; earliest use found in The Lancet. From pneumo- + -gram, after pneumograph or pneumography.

Pronunciation

pneumogram

/ˈnjuːmə(ʊ)ɡram/