Darken, 6 letters
Low-power period, 6 letters
Darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft), 6 letters
Night-lighting reductions, 7 letters
Reductions in night lighting, in wartime, 7 letters
Results when juice is reduced, 7 letters
Longan, 10 letters
(chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms, 10 letters
(biology) the existence of two forms of individual within the same animal species (independent of sex differences), 10 letters
South African herbs or subshrubs with usually yellow flowers, 13 letters