Noun Actinometer Definition and Examples


Noun:

Actinometer

Pronunciation:

/ˌaktɪˈnɒmɪtə/

Definition:
1.

noun

An instrument for measuring the intensity of radiation, especially ultraviolet radiation.
  1. 'Chemical actinometry using the potassium ferrioxalate actinometer gave an incident intensity 10 of about 2.8 X 10 + 16 quanta-s 1.'
  2. 'Spherical and tubular actinometers containing iodide/iodate solution were suspended from the ceiling at the positions indicated in Fig.1.'
((n.) An instrument for measuring the direct heating power of the sun's rays.|--|(n.) An instrument for measuring the actinic effect of rays of light.|--|)


Origin:
Mid 19th century: from Greek aktis, aktin- ‘ray’ + -meter.

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