Dictionary » E » Expansion

Expansion

Expansion

1. The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.

2. That which is expanded; expanse; extend surface; as the expansion of a sheet or of a lake; the expansion was formed of metal. The starred expansion of the skies. (Beattie)

3. Space thought which anything is expanded; also, pure space. Lost in expansion, void and infinite. (Blackmore)

4. Enlargement or extension of business transaction; especially, increase of the circulation of bank notes.

5. (Science: mathematics) The developed result of an indicated operation; as, the expansion of (a _ b)^2 is a^2 _ 2ab _ b^2.

6. The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.

7. (Science: astronomy) The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.

expansion is also used adjectively, as in expansion joint, expansion gear, etc. Expansion curve, a curve the coordinates of which show the relation between the pressure and volume of expanding gas or vapor; especially.

a cut-off valve, to shut off steam from the cylinder before the end of each stroke.

origin 3e4

L. Expansio: cf. F. Expansion.

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holographic origin of life

... somewhere locally and then it expanded to cover everything, then we would not expect to see so fast changes in proto-earth. Instead, the expansion would have been much more slow (geometric?), because bacteria must assimilate nutrients for food from the surrounding environment while growing ...

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by minasole
Thu Jan 01, 2015 9:02 am
 
Forum: Evolution
Topic: holographic origin of life
Replies: 15
Views: 27509

Re:

... thesis with determinists. In classical mathematics, the probability of a real number being computable is zero. This means that the continued expansion of a string generated by non-algorithmic means, has a zero probability of being computable. We can construct such a string from controlled ...

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by ughaibu
Thu Oct 24, 2013 8:57 am
 
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 38273

Cell wall extension- shearing units??

I am currently reading about the plant cell wall and it's expansion (for an assignment which happens to be in tomorrow!) and have come across a term i cannot find the explanation for- shearing units . Any help would be greatly appreciated (even if past ...

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by MelJayne
Tue Jan 29, 2013 6:37 pm
 
Forum: Cell Biology
Topic: Cell wall extension- shearing units??
Replies: 0
Views: 1799

Re: Re:

... a bad gel as far as I can tell. And yes, I do see familiar pattern. Here is another example of poor gel: http://aem.asm.org/content/66/4/1423/F1.expansion.html

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by Cat
Sun Nov 04, 2012 6:54 pm
 
Forum: Molecular Biology
Topic: Chromatin experiment
Replies: 10
Views: 4636

Re: Unidirectional ORI, Onion-Skin-Model

... expansion.html&imgurl=http://genesdev.cshlp.org/content/12/5/734/F1.large.jpg&w=1800&h=1432&ei=XAs_UNSKG4nbtAaA_IF4&zoom=1&iact=hc&vpx=748&vpy=78&dur=2337&hovh=200&hovw=252&tx=81&ty=144&sig=115576367408367797349&page=4&tbnh=160&tbnw=201&ndsp=33&ved=1t:429,r:13,s:92,i:46

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by Rost
Thu Aug 30, 2012 6:52 am
 
Forum: Genetics
Topic: Unidirectional ORI, Onion-Skin-Model
Replies: 4
Views: 8301
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