English > bounds: 1 sense > noun 1, location| Meaning | The line or plane indicating the limit or extent of something. |
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| Synonyms | boundary, bound |
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| Instances | Mohorovicic discontinuity, Moho | The boundary between the Earth's crust and the underlying mantle |
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| Rubicon | The boundary in ancient times between Italy and Gaul |
| Narrower | boundary line, border, borderline, delimitation, mete | A line that indicates a boundary |
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| bourn, bourne | An archaic term for a boundary |
| city line | The boundary of a city |
| county line | The boundary between two counties / counties |
| district line | The boundary between two districts |
| edge, border | The boundary of a surface |
| end | A boundary marking the extremities of something |
| frontier | An international boundary or the area (often fortified) immediately inside the boundary |
| hairline | The natural margin formed by hair on the head |
| heliopause | The boundary marking the edge of the sun's influence |
| limit, demarcation, demarcation line | The boundary of a specific area |
| outline, lineation | The line that appears to bound an object |
| shoreline | A boundary line between land and water |
| surface | The extended two-dimensional outer boundary of a three-dimensional object |
| Broader | extremity | The outermost or farthest region or point |
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| Spanish | frontera, límite |
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| Catalan | frontera, límit |
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