spiral nebula (English, noun)
expansion: spiral nebula (plural spiral nebulas or spiral nebulae)
Senses:
topics: astronomy
natural-sciences
glosses: a spiral-shaped nebula
topics: astronomy
natural-sciences
glosses: a spiral-shaped white nebula; these were generally determined to be spiral galaxies in the 20th century
tags: obsolete
Forms:
form: spiral nebulas
tags: plural
form: spiral nebulae
tags: plural