Let $K$ be a continuum. We say that $K$ is *unicoherent* if for all $A, B$ subcontinua of $K$, such that $A \bigcup B = K$, then intersection $A \bigcap B$ is connected.

## Related definitions

- We say that a continuum $K$ is
*hereditarily unicoherent* if every subcontinuum of $K$ is unicoherent.