Definition of mass-spectrographic in US English:

mass-spectrographic

adjective

  • Of or relating to a mass spectrograph.

Origin

1930s; earliest use found in Proceedings of the Royal Society of London. From mass + spectrographic, after mass spectrograph.

Pronunciation

mass-spectrographic

/ˌmas ˌspɛktrəˈɡrafɪk/