Search Result for "dimout": 
Wordnet 3.0

NOUN (1)

1. darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft);
[syn: blackout, brownout, dimout]



WordNet (r) 3.0 (2006):

dimout
    n 1: darkness resulting from the extinction of lights (as in a
         city invisible to enemy aircraft) [syn: blackout,
         brownout, dimout]