| n. | 1. | The quality or state of being tangent; a contact or touching. |
| Noun | 1. | tangency - the state of being tangent; having contact at a single point or along a line without crossing |
| 2. | tangency - (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts" Synonyms: contact |