/ɪˈklɪps/
eclipse
BrE /ɪˈklɪps/
NAmE /ɪˈklɪps/
[C]
an occasion when the moon passes between the earth and the sun so that you cannot see all or part of the sun for a time; an occasion when the earth passes between the moon and the sun so that you cannot see all or part of the moon for a time
an eclipse of the sun/moon
a total/partial eclipse
[sing., U]
a loss of importance, power, etc. especially because sb/sth else has become more important, powerful, etc.
The election result marked the eclipse of the right wing.
Her work was in eclipse for most of the 20th century.
eclipse
BrE /ɪˈklɪps/
NAmE /ɪˈklɪps/
[often passive]
~ sth
(of the moon, the earth, etc.)
to cause an eclipse
~ sb/sth
to make sb/sth seem dull or unimportant by comparison
SYN outshine, overshadow
Though a talented player, he was completely eclipsed by his brother.