nebula — Astronomy. Also called diffuse nebula. a cloud of interstellar gas and dust. Compare dark nebula, emission nebula, reflection nebula. (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
nebulae — Astronomy. Also called diffuse nebula. a cloud of interstellar gas and dust. Compare dark nebula, emission nebula, reflection nebula. (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
nebular — Astronomy. Also called diffuse nebula. a cloud of interstellar gas and dust. Compare dark nebula, emission nebula, reflection nebula. (formerly) any celestial object that appears nebulous, hazy, or fuzzy, and extended in a telescope view.
nebulous — hazy, vague, indistinct, or confused: a nebulous recollection of the meeting; a nebulous distinction between pride and conceit.
