A continuous line forming the boundary of a closed geometrical figure or of any area or surface; a circumference; a periphery, outline. Also: the…
| 单词 | θ101416 |
| 释义 | the world > space > relative position > condition of being external > edge, border, or margin > boundary > [noun] > enclosing boundary > boundary line enclosing a surface (8) perimeter?a1425 A continuous line forming the boundary of a closed geometrical figure or of any area or surface; a circumference; a periphery, outline. Also: the… outer line1530 a boundary line, circumference. perimetry?a1560 A perimeter or circumference; the length of a perimeter. Obsolete. periphery?a1560 A line that forms the boundary of something, esp. of a round or rounded surface; the circumference of a circle or other closed curvilinear figure; a… circumscription1578 concrete. Boundary, outline, periphery. periphere1611 = periphery, n. peripheria1650 = periphery, n. 2. outline1828 The (real or apparent) line or lines defining the contour or bounds of a figure for a viewer. Also: the shape of the thing thus defined. Also… |
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