IPA: /ˈtæn.dʒən.si/
KK: /ˈtæn.dʒən.si/
The state or condition where two things touch at a single point without crossing each other.
In geometry, the tangency of the two circles means they touch at exactly one point.
Tangency → It is formed from "tangere" (meaning to touch) and the suffix "-cy" (indicating a state or condition). The word "tangency" refers to the state of touching or being in contact with something.
Think of the word 'tangere' which means to 'touch' — this helps you remember that 'tangency' refers to the state of touching.