Chiefly Science and Engineering. Of a line or plane: situated at right angles to a given line, plane, or surface. Usually with to, †with.
| 单词 | θ103750 |
| 释义 | the world > space > relative position > position at right angles to something > [adjective] (9) perpendicularc1475 Chiefly Science and Engineering. Of a line or plane: situated at right angles to a given line, plane, or surface. Usually with to, †with. square?a1560 At right angles; rectangular in position or direction; perpendicular (to something). direct1563 Moving, proceeding, or situated at right angles or perpendicularly to a given surface, etc.; not oblique. rectangular1646 Situated or placed at right angles. Science in later use. upright1678 Perpendicular to a surface. Obsolete. rare. orthogonal1694 Relating to or involving right angles; at right angles (to something else). normal1704 Standing, positioned, or directed at right angles (to); perpendicular (to). right-angled1802 Moving or lying at right angles to something. cathetal1874 Pertaining to a cathetus; perpendicular. |
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