*Definition [#ab9e9d51]
-A topological space X is lightly compact if any countable open cover of X has a finite subfamily the closures of whose members cover X.
*Reference [#k2c0a77b]
-Abd El-Monsef, M. E.(ET-TANT) and Kozae, A. M.(ET-TANT),''Remarks on $s$-closed spaces (Arabic summary)'', Qatar Univ. Sci. Bull. 6 (1986), 11--21.