Noun: planetary nebula
| Singular | planetary nebula |
| Plural | planetary nebulas; planetary nebulae |
Sample Sentences
Nouns inflected like planetary nebula
palestra,
sarisa,
samara,
schola,
Banff Springs physa,
exumbrella,
bildungsroman,
turritella,
Sir David's long-beaked echidna,
comatula,
nanoantenna,
retinula,
pyrexia,
mesoamygdala,
planetary nebula,
saxicava,
Bildungsroman,
billboard antenna,
structural formula,
babesia, etc. (List truncated at 20 nouns)
Etymology
Coined by William Herschel because of their apparent resemblance to the planet Uranus.