| Title | concentric |
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Merriam-Webster's Collegiate Dictionary con·cen·tric ETYMOLOGY Middle English consentrik, from Medieval Latin concentricus, from Latin com- + centrum center DATE 14th century 1. having a common center concentric circles 2. having a common axis : coaxial English Etymology concentric 1390s, from O.Fr . concentrique, from M.L. concentricus, from com- "together" + centrum "circle, center" (see center).http://O.Fr Oxford Advanced Learner's Dictionary-牛津双解-OALD7 concentric con·cen·tric / kEn5sentrik / adjective (geometry 几何) (of circles 圆) having the same centre 同心的: concentric rings 同心环 Webster's Third New International Dictionary, Unabridged Search result show the entry is found in: concentric bundle , or concentric cable , or concentric corpuscle , or concentric groove con·cen·tric I. \kənˈsen.trik, (ˈ)kän|s-, -rēk\ adjective also con·cen·tri·cal \-rə̇kəl, -rēk-\ Etymology: Medieval Latin concentricus, from Latin com- + centrum center + -icus -ic — more at center 1. a. : having a common center (as circles one within another) — opposed to eccentric b. : having a common axis (as of two or more cones or moraines) : formed about the same axis : coaxial 2. geology : marked by the loosening and falling away of successive rounded or spherical shells < concentric weathering > < concentric exfoliation > • con·cen·tri·cal·ly \-rə̇k(ə)lē, -rēk-, -li\ adverb II. noun (-s) : something (as one of two concentric circles) that has a common center with something else |
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