Lindelöf space
[ lin-duh-lof, -lawf, -lœf ]
/ ˈlɪn dəˌlɒf, -ˌlɔf, -ˌlœf /
noun Mathematics.
a topological space having the property that every cover consisting of open sets has a subcover consisting of a countable number of subsets.
Origin of Lindelöf space
after Ernst
Lindelöf (1870–1946), Finnish topologist