daylight

The light from the Sun, as opposed to that from any other source.

A light source that simulates daylight.

(countable, photometry) The intensity distribution of light over the visible spectrum generated by the Sun under various conditions or by other light sources intended to simulate natural daylight.

The period of time between sunrise and sunset.

Daybreak.

Exposure to public scrutiny.

A clear, open space.

(countable, machinery) The space between platens on a press or similar machinery.

(idiomatic) Emotional or psychological distance between people, or disagreement.

The gap between the top of a drinking-glass and the level of drink it is filled with.