# tangency

Definition from Wiktionary, the free dictionary

## English[edit]

### Alternative forms[edit]

- tangence (relatively rare)

### Noun[edit]

**tangency** (*plural* **tangencies**)

- The state of being tangent; an instance of (something) being tangent.
**1999**, H. Flenner, L. O′Carroll, W. Vogel,*Joins and Intersections*, page 131,- In this section we will apply the concept of connectedness in dimension
*d*to study**tangencies**of algebraic varieties.

- In this section we will apply the concept of connectedness in dimension
**2004**, David A. Madsen et al.,*Engineering Drawing & Design*, 3rd Edition, page 160,- To be tangent to a circle or arc, a line must touch the circle or arc at only one point, and a line drawn from the center of the circle or arc must be perpendicular to the tangent line at the point of
**tangency**. (See Figure 6.82.)

- To be tangent to a circle or arc, a line must touch the circle or arc at only one point, and a line drawn from the center of the circle or arc must be perpendicular to the tangent line at the point of
**2011**, Steven E. Landsburg,*Price Theory and Applications*, 8th Edition, page 83,- If the original
**tangency**is at A, then the new**tangency**cannot be at O or P, as either possibility would require two indifference curves to cross. […] Instead, the new**tangency**is at a point like B.

- If the original