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accrete

American  
[uh-kreet] / əˈkrit /

verb (used without object)

accreted, accreting
  1. to grow together; adhere (usually followed by to ).


verb (used with object)

accreted, accreting
  1. to add, as by growth.

adjective

  1. Botany. grown together.

accrete British  
/ əˈkriːt /

verb

  1. to grow or cause to grow together; be or become fused

  2. to make or become bigger, as by addition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of accrete

First recorded in 1775–85; back formation from accretion

Explanation

To accrete is to gradually gather into a pile or grow together into a mass. When tiny dust particles slowly accumulate under your bed, they may accrete into a big dust bunny. The word accrete describes how small particles or elements slowly come together to form a larger mass. This term is often used in science to explain processes like the formation of planets or stars, where bits of matter accrete and build up over time. You can also think of how snowflakes accumulate on the ground, creating a thick layer of snow. The word comes from the Latin accretus, which means "grown together," highlighting the natural process of accumulation in our universe.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Once it’s there, minerals begin to accrete around this core.

From Salon Aug. 19, 2024

Through the telescope, researchers were able to see signals from large amounts of gas that accumulate and accrete onto a mini-galaxy in the process of being built.

From Science Daily May 23, 2024

“Essentially what will happen is that there’s an about 10-Jupiter-mass object that will form, and then that will accrete very rapidly,” Abel says.

From National Geographic Sep. 14, 2023

But when you accrete energy onto a supermassive black hole, a fraction of that energy actually goes into an outflow as a jet.

From Scientific American Jun. 22, 2023

If the ring were not so close to Saturn, this effect would not be so strong, and the particles could accrete, making small snowballs and eventually growing into satellites.

From "Cosmos" by Carl Sagan

The zone where the islands switched from being subducted to being accreted would have been under incredible strain and been ripped apart.

From Science Daily Feb. 6, 2024

These stories are now frequent enough to have accreted their own rituals of response and defense.

From Salon Jun. 30, 2023

The accreted material is usually made up of Hydrogen, but for older stars that lost their outer layer, it also can be Helium.

From Space Scoop Jun. 8, 2023

Anything as old as this parade has accreted plenty of delish rumors.

From Los Angeles Times Dec. 27, 2022

The X-rays are plausibly generated by friction in the disk of gas and dust accreted around Cyg X-l from its supergiant companion.

From "Cosmos" by Carl Sagan

"For the first time we have pinpointed the origin of these signals, confirming the source to be a 'cataclysmic variable', or an accreting white dwarf star," said Mr. Rose.

From Science Daily Jun. 2, 2026

An artist’s illustration of an accreting supermassive black hole.

From Salon Jul. 17, 2024

They would grow by accreting more gas, merge with other seeds, and pull in stars to form a galaxy around themselves.

From Science Magazine Aug. 22, 2023

I’m simplifying it, because we still don’t know exactly how jets are created from accreting black holes.

From Scientific American Jun. 22, 2023

But the matter accreting into a disk surrounding the black hole would be a sight worth remembering, in the unlikely case that you survived the trip.

From "Cosmos" by Carl Sagan

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