planetary nebula

plan·e·tar·y neb·u·la

P p

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [plan-i-ter-ee neb-yuh-luh]
- /ˈplæn ɪˌtɛr i ˈnɛb yə lə/
- /ˈplæn.ɪ.tər.i ˈneb.jʊ.lə/

Definitions of planetary nebula words

noun planetary nebula an expanding shell of thin ionized gas that is ejected from and surrounds a hot, dying star of about the same mass as the sun; the gas absorbs ultraviolet radiation from the central star and reemits it as visible light by the process of fluorescence. 1
noun planetary nebula an expanding shell of gas surrounding a dying star, formed from matter ejected from the star's outer layers; the gas is ionized by the remaining hot stellar core, emitting light in the process 0
noun planetary nebula a glowing, expanding nebula that forms around a collapsing star 0

before 1850

One of the 32% newest English words

First recorded in 1850-55; so named for its resemblance to the planets Uranus and Neptune

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

This diagram is provided by Google Ngram Viewer

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