Meaning of the word "jet black" in English

What does "jet black" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

jet black

US /dʒɛt blæk/
UK /dʒɛt blæk/

Adjective

of a deep, glossy black color

Example:
Her hair was jet black and shiny.
The night sky was jet black, with no stars visible.