| Noun | 1. | tangency - the state of being tangent; having contact at a single point or along a line without crossingcontact - the state or condition of touching or of being in immediate proximity; "litmus paper turns red on contact with an acid" |
| 2. | tangency - (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts" breaker point, distributor point, point - a contact in the distributor; as the rotor turns its projecting arm contacts them and current flows to the spark plugs electrical contact - contact that allows current to pass from one conductor to another junction, conjunction - something that joins or connects p-n junction - the junction between a p-type semiconductor and an n-type semiconductor; "a p-n junction has marked rectifying characteristics" short circuit, short - accidental contact between two points in an electric circuit that have a potential difference sound bow - contact (the part of a bell) against which the clapper strikes terminal, pole - a contact on an electrical device (such as a battery) at which electric current enters or leaves tread - the part (as of a wheel or shoe) that makes contact with the ground contact arm, wiper arm, wiper - contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices |