Definition of actinometric in English:

actinometric

adjective

  • Of or relating to the use of an actinometer; obtained by means of an actinometer.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From actino- + -metric, after actinometer.

Pronunciation:

actinometric

/ˌaktɪnə(ʊ)ˈmɛtrɪk/