the rise or ascent of the sun above the horizon in the morning.

the atmospheric and scenic phenomena accompanying this.

the time when half the sun has risen above the horizon.

the open or beginning stage of any period.

(of an industry, technology, etc.) new and growing; developing; emerging

high-technology sunrise industries.

noun

sunset

noun

aurora , break of day * , bright , cockcrow , dawn , dawning , daybreak , daylight , early bright , light , morn , morning , sunup