- tangency - the state of being tangent; having contact at a single point or along a line without crossing
--1 is a kind of contact
- contact, tangency - (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"
--2 is a kind of junction, conjunction
--2 has particulars:distributor point, breaker point, point; electrical contact; p-n junction; short circuit, short; sound bow; terminal, pole; tread; wiper, wiper arm, contact arm - contact, tangency - (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"