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nebular
01
relating to or resembling a nebula, which is a cloud of gas and dust in outer space
02
resembling a cloud
Example
Astronomers observed a stunning nebular formation in the distant galaxy, glowing brightly in various colors.
Nebular emission lines are spectral lines emitted by ionized gases within nebulae.
Through his telescope, he marveled at the intricate patterns of the nebular regions in the Milky Way.
