单词	concentric
释义	concentriccon‧cen‧tric /kənˈsentrɪk/ adjective Word Origin WORD ORIGINconcentric Origin: 1300-1400 Medieval Latin concentricus, from Latin com- ( ➔ COM-) + centrum ‘center’ Examples EXAMPLES FROM THE CORPUS Furthermore, the transference from Worcester to Lincoln of the concept of a ten-bayed concentric chapter house took place about 1225. Like the minor, circular designs of the latter, it may have possessed a number of concentric bands. London and Huddersfield also illustrate the concentric pattern. The largest craters show, in addition to their rim walls and central peak structures, outer concentric rings of mountains. The ventral arm plates are nearly pentagonal with a distinct convex distal edge textured with layers of calcite forming a concentric pattern. There's four concentric cylinders inside, okay? These represent segments of small circles concentric about the pole of rotation with respect to which the diverging plates are moving. Thus the total number of concentric spheres in the Eudoxian system was twenty-seven. word sets WORD SETS► Maths abacus, nounalgebra, nounangle, nounarc, nounarea, nounarithmetic, nounarithmetic, adjectivearithmetic progression, nounaxis, nounbar chart, nounbar graph, nounbase, nounbinomial, nounbisect, verbBoolean, adjectiveC, nouncalculator, nouncalculus, nouncanonical, adjectivechord, nouncipher, nouncircumference, nouncircumscribe, verbcompass, nouncomplementary, adjectivecomputation, nouncompute, verbconcentric, adjectivecone, nouncongruent, adjectiveconical, adjectiveconstant, nouncontain, verbcoordinate, nouncoordinate, adjectivecos, cosine, nouncube, nouncubic, adjectivecurvature, nouncurve, nouncut, verbdeci-, prefixdeviation, noundiagonal, adjectivediameter, noundifferential calculus, noundigit, noundimension, noundomain, nouneccentric, adjectiveellipse, nounelliptical, adjectiveequal, adjectiveequal, verbequals sign, nounequation, nounequilateral triangle, nounexponential, adjectiveexpress, verbexpression, nounface, nounfigure, nounflow chart, nounformula, nounfraction, nounfractional, adjectivefunction, noungeometric, adjectivegeometry, noungraph, noungraphically, adverbgraph paper, noungrid, nounHCF, helix, nounheptagon, nounhexagon, nounhistogram, nounhypotenuse, nounimperial, adjectiveimproper fraction, nouninfinity, nouninformation theory, nouninnumerate, adjectiveinto, prepositioninverse, adjectiveisosceles triangle, nounline graph, log, nounlogarithm, nounlong division, nounlozenge, nounmath, nounmathematical, adjectivemathematician, nounmathematics, nounmatrix, nounmean, adjectivemedian, nounmedian, adjectivemetric, adjectiveminus, prepositionminus, nounminus, adjectiveminus sign, nounminute, nounmultiplication, nounmultiplication sign, nounmultiplication table, nounmultiply, verbN, nounnumber, nounnumerate, adjectivenumeration, nounoblong, adjectiveobtuse angle, nounoctagon, nounoval, nounparabola, nounparallel, adjectiveparallelogram, nounpentagon, nounpercentage, nounperimeter, nounperpendicular, nounpi, nounpictogram, nounpie chart, nounplane, nounplane geometry, nounplus, prepositionplus, nounplus, adjectiveplus sign, nounpolygon, nounpolyhedron, nounpower, nounprism, nounprobability, nounproof, nounproportion, nounproposition, nounprotractor, nounquadrangle, nounquadrant, nounquadratic equation, nounquadri-, prefixquadrilateral, nounradius, nounratio, nounrectangle, nounrectilinear, adjectiverecur, verbrhombus, nounright angle, nounright-angled triangle, nounroot, nounruler, nounscale, nounscalene triangle, nounscatter diagram, section, nounsegment, nounsemicircle, nounset square, nounsine, nounslide rule, nounsolid, adjectivesolid, nounsolution, nounsolve, verbsphere, nounsquare, adjectivesquare, nounsquare, verbsquare, adverbsquarely, adverbsquare root, nounsubset, nounsubtract, verbsubtraction, nounsum, nounsurface area, nounsymmetrical, adjectivesymmetry, nountangent, nounterm, nountheorem, nounthreefold, adjectivetimes, prepositiontrapezium, nountriangle, nountrigonometry, nountwo-dimensional, adjectivevalue, nounvariable, nounvector, nounVenn diagram, nounvertex, nounvertical, adjectivevolume, nounwork, verbX, nounx-axis, nouny-axis, noun Collocations COLLOCATIONS FROM THE CORPUSNOUN► circle · The landowners lived centrally, and around them, in concentric circles as it were, lived the working people.· Instead, there was a series of concentric circles, surrounding a small black disk.· The targets are black men with superimposed concentric circles declining to a solid, black bullseye.· The words run along each concentric circle and not across circles.· Julian's Bower, at Alkborough, Lincolnshire, is altogether more elaborate, having twelve concentric circles.· The strata are now much folded and appear on the surface as a series of concentric circles.· The model constructed by Nairn resembles a series of concentric circles. ► ring · These are usually made up of a central pit or cup, surrounded by one ring or concentric rings or spiral turns.· Spaced evenly from the bottom up, concentric rings of black crow feathers rise to the top of the cairn.· The other is a piece of reef shaped like a fungal bracket of concentric rings, or perhaps like a footprint cast.· The largest craters show, in addition to their rim walls and central peak structures, outer concentric rings of mountains.· It is built of large blocks of travertine stone and the arch has two concentric rings of radiating voussoirs.· One theory suggests that personality can be viewed as a series of concentric rings. having the same centre → eccentric:  concentric circles
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