切点 (qiē diǎn) — (geometry) point of tangency, point of contact
Definition
In geometry, 切点 is the exact point where a tangent line touches a curve or where two tangent curves meet. Used in technical/mathematical contexts rather than everyday speech.
noun
(geometry) point of tangencypoint of contact
Measure word · 个
Examples
- 切点。Yuán hé zhí xiàn xiāng jiāo yú yí gè qiē diǎn.The circle and the line intersect at a point of tangency.
- 切点。Liǎng gè yuán zài qiē diǎn chù xiāng qiē.The two circles are tangent at the point of tangency.
- 切点。Qiú pāo wù xiàn yǔ zhí xiàn de qiē diǎn zuò biāo.Find the coordinates of the point of tangency between the parabola and the line.
Browse more HSK 7-9 words or search the full 43,000-word dictionary.