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Oct 31, 2024 · 1 Process by which an inorganic body grows in size by the addition of new particles to its exterior. It is the mechanism by which primitive planetary bodies are believed to form as a result of the accumulation of minute, cold, homogeneous particles (homogeneous 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. 2. : a product of accretion. especially : an extraneous addition.
May 21, 2024 · Accretion is a term used to refer to a situation in which something is growing in size. The term appears in a number of different contexts, from finances to astrophysics. Accretion process are constantly ongoing in a variety of locations around the Earth and the universe.
Oct 1, 2018 · The evolution of structure in biology is driven by accretion and diversification. Accretion brings together disparate parts to form bigger wholes. Diversification provides opportunities for growth and innovation.
- Tip Growth
- Accretive Growth
- Volumetric Growth
In his book, “The Physics of Trees” published in 1758, Duhamel du Monceau describes the following discovery: “The observations that I made in plants that grow in water helped me discover another peculiar phenomenon; that is, roots only grow at the tip.” [898, p. 83] (see Figure 1.1). Tip or apical growth describes growth processes that take place i...
Accretive, surface , or appositional growthdescribe mechanisms, such as deposition in hard tissues, where new material is added to the boundary of an existing body. It is the typical mechanism responsible for the formation of teeth, seashells, horns, and corals [4, 914, 915, 1173]. At the microscopic level, surface growth is also found in bones whe...
Bulk, volumetric or interstitialgrowth all refer to processes in which local volume elements in the body change over time rather than on its boundary as in accretive or tip growth. Bulk growth is typical of many developmental, physiological, and pathological processes and has been particularly well documented in arteries, muscles, solid tumors, and...
- Alain Goriely
- goriely@maths.ox.ac.uk
- 2017
Accretion refers to the process of growth of continents through the accumulation of terranes or lithospheric material at convergent plate boundaries. AI generated definition based on: Earth-Science Reviews , 2021
n. 1. any gradual increase in size, as through growth or external addition. 2. something added, esp extraneously, to cause growth or an increase in size. 3. (Biology) the growing together of normally separate plant or animal parts. 4. (Pathology) pathol. a. abnormal union or growing together of parts; adhesion.
