What is the opposite of accretion?

Opposite of growth or increase by the gradual accumulation of additional layers or matter. abatement. decline. decrease. decrement.

How do you use accretion in a sentence?

Accretion in a Sentence 🔉

1. The accretion of traffic accidents and drunk driving was attributed to the opening of the new downtown mall.
2. The gradual accretion of terror over many years left hundred dead and thousands wounded.

What is an example of accretion?

Accretion means an extension or addition of length or overall size. An example of an accretion is when a highway is lengthened. noun. 1. Growth or increase in size by gradual external addition, fusion, or inclusion.

What is the accretion meaning?

Definition of accretion



1 : the process of growth or enlargement by a gradual buildup: such as. a : increase by external addition or accumulation (as by adhesion of external parts or particles) b : the increase of land by the action of natural forces.

What is the synonym of accretion?

conglomerate, gather, mass, pile (up), stack (up)

What is Bond accretion?

Bond accretion is the growth in the value of the bond as time lapses. As it approaches the maturity date, the value of the bond increases until it converges with its par value, which is the amount paid to the bondholder.

What is accretion astronomy?

In planetary science, accretion is the process in which solids agglomerate to form larger and larger objects and eventually planets are produced. The initial conditions are a disc of gas and microscopic solid particles, with a total mass of about 1% of the gas mass.

What is homogeneous accretion?

homogeneous accretion A model for the accretion of planetary bodies from the primitive solar nebula (PSN) in which the rate of accretion is fast relative to the rate at which the PSN cools.

What is accretion energy?

The accretional heat is the energy accumulated through the burial of heat by impacts as the planet grows by the accretion of planetesimals. During accretion, a temperature profile is generated for which the temperature increases from the center toward the surface (Figure 1).

What is black hole accretion?

Black holes are most often detected by the radiation produced when they gravitationally pull in surrounding gas, in a process called accretion. The efficiency with which the hot gas radiates its thermal energy strongly influences the geometry and dynamics of the accretion flow.

Are Saturn’s rings an accretion disk?

Saturn’s rings are an excellent example of an accretion disk; they consist of amalgamated pieces of rock and ice which reflect the light of the distant Sun, whereas those of a black hole consist of hot gas brighting by itself (another important difference is that the accretion disk of a black hole is continually being …

Is a galaxy an accretion disk?

The formation of stars and planets and the powerful emissions from quasars, radio galaxies, X-ray binaries (see X-ray astronomy), and probably also Type Ia supernovas all involve accretion disks.

What is a white black hole?

White holes are theoretical cosmic regions that function in the opposite way to black holes. Just as nothing can escape a black hole, nothing can enter a white hole. White holes were long thought to be a figment of general relativity born from the same equations as their collapsed star brethren, black holes.

Can wormholes exist?

Einstein’s theory of general relativity mathematically predicts the existence of wormholes, but none have been discovered to date. A negative mass wormhole might be spotted by the way its gravity affects light that passes by.

Is time stopped in a black hole?

Near a black hole, the slowing of time is extreme. From the viewpoint of an observer outside the black hole, time stops. For example, an object falling into the hole would appear frozen in time at the edge of the hole.

How do you destroy a black hole?

Video quote: There is nothing we could throw at a black hole that would do the least bit of damage to it even.

What is on the other side of a black hole?

The discovery of light from the other side of a black hole was predicted by Einstein’s theory of general relativity. But it has never actually happened before, and the discovery marks the first time that light has ever been directly observed coming from behind a black hole.