| 单词 | cissoid |
| 释义 | cissoid /sisˈoid/ (mathematics)nounA plane curve consisting of two infinite branches symmetrically placed with reference to the diameter of a circle, so that at one of its extremities they form a cusp, while the tangent to the circle at the other extremity is an asymptote ORIGIN: Gr kissoeidēs ivy-like, from kissos ivy, and eidos form |
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