Hausdorff space

Etymology
.

Noun

 * 1)  A topological space in which for any two distinct points x and y, there is a pair of disjoint open sets U and V such that $$ x \in U $$ and $$ y \in V $$.

Translations

 * Finnish: Hausdorffin avaruus
 * German: Hausdorff-Raum
 * Polish: przestrzeń Hausdorffa