Chiefly Science and Engineering. Position or direction at right angles to a given line, surface, or plane.
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| 单词 | θ103752 |
| 释义 | the world > space > relative position > position at right angles to something > [noun] (5) perpendicularitya1652 Chiefly Science and Engineering. Position or direction at right angles to a given line, surface, or plane. squareness1796 Rectangular position in relation to some line or object. Subcategories:— manner in which something is set square (1) — a line at right angles (2) |
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