Concentric zone model — Commuter zone … Wikipedia
concentric-ring model — a theory of how urban land use develops over time. Developed by Earnest Burgess in 1924 to explain social patterns in Chicago, it was later proposed as a general theory of urban land use. It says that zones of transition, low, medium and high… … Geography glossary
Concentric tube heat exchanger — Concentric Tube (or Pipe) Heat Exchangers are used in a variety of industries for purposes such as material processing, food preparation and air conditioning.[1] They create a temperature driving force by passing fluid streams of different… … Wikipedia
Concentric — Con*cen tric, Concentrical Con*cen tric*al, a. [F. concentrique. See {Concenter}.] Having a common center, as circles of different size, one within another. [1913 Webster] Concentric circles upon the surface of the water. Sir I. Newton. [1913… … The Collaborative International Dictionary of English
Rings of Saturn — The full set of main rings, imaged as Saturn eclipsed the Sun from the vantage of the Cassini spacecraft on 15 September 2006 (brightness is exaggerated). The pale blue dot at the 10 o clock position, outside the main rings and just inside the G… … Wikipedia
Concentric stone circle — A concentric stone circle is a type of prehistoric ritual monument consisting of a circular or oval arrangement of two or more stone circles set within one another. They were in use from the late Neolithic to the end of the early Bronze Age and… … Wikipedia
concentric — [[t]kənse̱ntrɪk[/t]] ADJ: ADJ n Concentric circles or rings have the same centre. Stonehenge is an ancient collection of enormous standing stones, mysteriously arranged in two concentric circles … English dictionary
Balo concentric sclerosis — Classification and external resources Typical aspects of Baló s concentric sclerosis. (a) Original case of Baló; several anastomoses are located in the lower half of the lesion. (b) Lesion centered by a veinule showing ring fragmentation in a… … Wikipedia
Liesegang rings — are a phenomenon seen in many, if not most, chemical systems undergoing a precipitation reaction, under certain conditions of concentration and in the absence of convection. HistoryThe phenomenon was first noted over one hundred years ago (in… … Wikipedia
Newton's rings — /ˈnjutnz rɪŋz/ (say nyoohtnz ringz) plural noun coloured concentric rings which are produced by interference of light round the point of contact of a convex lens and a plane reflecting surface. {named after Sir Isaac Newton} …
Newton's rings — observed through a microscope. The smallest increments on the superimposed scale are 100μm … Wikipedia