Definitions

1. adjective

relating to or resembling a nebula

“The nebular hypothesis is a widely accepted theory in astronomy.”

2. noun

a cloud of gas and dust in space, especially one that is visible to the naked eye

“The nebular was formed after a massive star exploded.”

3. noun

a cloud of gas and particles in the upper atmosphere of the Earth

“The nebular was detected by the satellite’s high-resolution camera.”