Definition of pen recording in English:

pen recording

noun

  • The action or process of using an instrument that produces a continuous graphical record of a variable measured quantity by means of a pen; a recording achieved by this process.

Origin

1920s; earliest use found in Proceedings of the Royal Society of London. From pen + recording.

Pronunciation

pen recording

/ˈpɛn rɪˌkɔːdɪŋ/