double point

English

Noun

double point (plural double points)

1. A symbol, such as a colon, composed of two points.
   • 1882, Henry Bradshaw, Address at the opening of the fifth annual meeting of the Library Association:

     As with the printers a full-point, a double point or colon, and a triple point, are each of them single types, the matter was still more simplified.

2. (geometry) A point on a curve at which there are two tangents (because it touches itself, or has a cusp).

Anagrams

• double opt-in