English

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Etymology 1

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From sun +‎ lighting.

Noun

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sunlighting (uncountable)

  1. The amount of illumination provided by sunlight.

Etymology 2

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From sunlight +‎ -ing, modelled on earlier moonlighting.

Noun

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sunlighting (uncountable)

  1. Working at another job when taking time off from one's regular (day) job.

Verb

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sunlighting

  1. present participle and gerund of sunlight