| 单词 | tangent |
| 释义 | tangent['tændʒənt]a. 接触的, 正切的, 离题的n. 切线, 正切【电】 正切相关词组:go off at a tangent tangent tan.gent AHD: [t²n“j…nt] D.J. [6t#nd9*nt]K.K. [6t#nd9*nt]adj.（形容词）1. Making contact at a single point or along a line; touching but not intersecting.正切的：仅在一个点或沿一条直线接触的；接触但并不相交的2. Irrelevant.不相关的n.（名词）1. A line, curve, or surface touching but not intersecting another line, curve, or surface.切线（面）：与另一条直线、曲线或另一个平面相接触但并不相交的一条直线、曲线或一个平面2. Abbr. tanMathematics The trigonometric function of an acute angle in a right triangle that is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.缩写 tan【数学】 正切定理：一个直角三角形中度数等于与其相对的边的边长和与其相邻的边的边长之比的一个锐角3. A sudden digression or change of course:突然的离题或路线的改变：went off on a tangent during the courtroom argument.在法庭的辩论中突然说跑了题4. Music An upright pin in a keyboard instrument, especially in a clavichord, that rises to sound a string when a key is depressed and stops the string at a preset length to set the pitch.【音乐】 击弦金属小片：一个键盘乐器（尤指古钢琴）中的竖直琴弦，当一个琴键被按下时它会弹起来击响一根弦并将该弦在一个预先设好的长度停住以定音高语源:Latin (l&9{ºnea) tang¶ns} tangent- [touching (line)] [present participle of] tangere [to touch] * see tag- 拉丁语 (l&9{ºnea) tang¶ns} tangent- [接触着的（直线）] [] tangere的现在分词 [接触] *参见 tag- |
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