Dictionary » E » 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.

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

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 ...

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


... 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 ...

See entire post
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 ...

See entire post
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

See entire post
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

See entire post
by Rost
Thu Aug 30, 2012 6:52 am
Forum: Genetics
Topic: Unidirectional ORI, Onion-Skin-Model
Replies: 4
Views: 8301
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 6,322 times. 
What links here | Related changes | Permanent link