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Cohesion

Definition

noun

The act, state or process of sticking together.

(physics) The intermolecular force that holds together alike molecules in a substance.

(chemistry) The binding together of alike molecules.

(botany) The congenital union of the same parts of plants.


Supplement

In chemistry and physics, cohesion refers to the sticking together of alike molecules, such as water molecule being attracted to another water molecule. Cohesion also causes water molecules to form drops.

Together with adhesion, It helps to explain the occurrence of surface tension and capillary action.

In botany, cohesion pertains to the fusion of plant parts, such as in syncarpy.


Word origin: From Latin cohaesus, past participle of cohaerēre, to cling together.
Related forms: cohesive (adjective), cohesively (adverb)

Compare: adhesion
See also: surface tension

Related term: Cohesion Tension Theory


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I just want to make sure that my hw problems are correct.thk

... b. isoleucine c. serine d. cysteine e. lysine *The answer I got is a Which type of bond is most responsible for the following properties of water: cohesion, moderation of temperature, expansion upon freezing, and its ability to act as an excellent solvent. a. The polar covalent bond connecting ...

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by maya786
Tue Sep 16, 2008 2:22 am
 
Forum: General Discussion
Topic: I just want to make sure that my hw problems are correct.thk
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Views: 810

Properties of water

... This is why water drops are, in fact, drops! This gives a set of properties that account for its ability to support life, namely, solvency, cohesion, thermal stability, adhesion; chemical reactivity. [b] Solvency: [/b]Water is called a “universal solvent” because it dissolves more substances ...

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by abbassido
Wed Sep 10, 2008 7:33 am
 
Forum: General Discussion
Topic: Properties of water
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Views: 2651

God vs Evolution

Don't forget, nationalism is actually a pretty strong force of cohesion.

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by mith
Wed Sep 26, 2007 1:14 am
 
Forum: Evolution
Topic: God vs Evolution
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by Elise
Tue Sep 11, 2007 4:15 am
 
Forum: General Discussion
Topic: non example
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bad science example

... drought? And, how do you explain the inability of Neanderthal to survive along with us? The evidence is that they too were capable of cultural cohesion. And in argument to your theory that the old (hence unworkable) values are discarded as an evolutionary imperative, why then does anarchy still ...

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by charles brough
Sat Jul 21, 2007 5:14 pm
 
Forum: Evolution
Topic: bad science example
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