| 单词 | tangent |
| 释义 | Word Frequency tangent(ˈtændʒənt) noun 1. a geometric line, curve, plane, or curved surface that touches another curve or surface at one point but does not intersect it 2. (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the opposite side to that of the adjacent side; the ratio of sine to cosine Abbreviation: tan3. the straight part on a survey line between curves 4. music a part of the action of a clavichord consisting of a small piece of metal that strikes the string to produce a note 5. on a tangent adjective 6. a. of or involving a tangent b. touching at a single point 7. touching 8. almost irrelevant Derived forms tangency (ˈtangency) noun Word origin C16: from Latin phrase līnea tangēns the touching line, from tangere to touch |
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