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protoplanetary disk. In DICTIOUS you will not only get to know all the dictionary meanings for the word
protoplanetary disk, but we will also tell you about its etymology, its characteristics and you will know how to say
protoplanetary disk in singular and plural. Everything you need to know about the word
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English
Noun
protoplanetary disk (plural protoplanetary disks)
- (astronomy) A rotating disk of dense gas and dust surrounding a young newly formed star, and from which planets may be formed.
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Translations
disk of dense gas and dust