sunshininess

名词 n.

英文释义

名词 n.
  1. The state, quality, or characteristic of being sunshiny. uncountable
    — Having great confidence in your valuable opinion on practical scientific subjects, I would very greatly appreciate your volunteer opinon as to the value of a machine I have thought of ... to wit: The recording of the revolutions of a Crooke's Radiometer by an electrical recorder, the selective motion, or number of revolutions to indicate the comparative sunshininess or cloudiness of the days.

词源

From sunshiny + -ness.
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