English Dictionary

tangent

/ˈtæn.d͡ʒənt/

adj

(geometry) Touching a curve at a single point but not crossing it at that point. / Of a topic, only loosely related to a main topic. / (rail transport, of track) Straight; not horizontally curved.

The conversation went off on a tangent.

意味（1）

(geometry) Touching a curve at a single point but not crossing it at that point.

意味（2）

Of a topic, only loosely related to a main topic.

意味（3）

(rail transport, of track) Straight; not horizontally curved.

The collision occurred on a two-mile stretch of tangent track.