Definition of actinography in English:

actinography

noun

  • 1historical
    = radiography. Now historical.

  • 2rare Measurement of solar radiation with the aid of an actinograph. rare.

Origin

Mid 19th century (in an earlier sense). From actino- + -graphy.

Pronunciation:

actinography

/ˌaktɪˈnɒɡrəfi/