Accretion Disks

C2 8+

Pronunciation: /əˈkriːʃən dɪsks/

Definitions of accretion disks

noun Astronomical term referring to a rotating disk of matter formed around a celestial object, such as a star or black hole, through gravitational attraction

Example Sentences

A1 Scientists study accretion disks to learn more about how stars form.

A2 Accretion disks are often found around black holes, where matter spirals inwards.

B1 The formation of planets within accretion disks is a fascinating area of research.

B2 Accretion disks can emit powerful X-ray radiation as matter falls into them.

C1 Advanced telescopes have allowed astronomers to observe accretion disks in great detail.

C2 The dynamics of accretion disks play a crucial role in understanding the evolution of galaxies.

Examples of accretion disks in a Sentence

formal The formation of stars often involves the accretion disks of gas and dust surrounding a protostar.

informal Scientists study accretion disks to understand how stars are born.

slang Check out these cool pics of accretion disks around black holes!

figurative Her mind was like a swirling accretion disk, absorbing new information constantly.

Grammatical Forms of accretion disks

plural

accretion disks

present tense

accretion disks

future tense

will have accretion disks

perfect tense

have had accretion disks

continuous tense

are having accretion disks

singular

accretion disk

positive degree

accretion disks

infinitive

to have accretion disks

gerund

having accretion disks

participle

accretion disks

Origin and Evolution of accretion disks

First Known Use: 1973 year
Language of Origin: English
Story behind the word: The term 'accretion disks' originated in the field of astronomy to describe the disks of matter that form around celestial objects such as stars and black holes.
Evolution of the word: The term 'accretion disks' has remained consistent in its usage and meaning since its first known use in 1973.