protoplanetary nebula
protoplanetary nebula · protoplanetary nebulae · protoplanetary nebulas
A stage in stellar evolution when a star starts to shed its outer layers before coming…A stage in stellar evolution when a star starts to shed its outer layers before coming a true planetary nebula.
Meaning
1 sensesA stage in stellar evolution when a star starts to shed its outer layers before coming a true planetary nebula.
Translations
1 languagesOrigin
From proto- + planetary nebula.From proto- + planetary nebula.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: protoplanetary nebulae / protoplanetary nebulas| Singular | protoplanetary nebula |
|---|---|
| Plural | protoplanetary nebulae / protoplanetary nebulas |
regular
Synonyms
1 synonymsWord family
1 related wordsRelatedprotoplanetary disk
Lessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular