specif., a reillumination sometimes observed after the summits have passed into shadow, supposed to be due to a curving downward (refraction) of the light rays from the west resulting from the cooling of the air.
(a reillumination; observed; T:after the summits have passed into shadow; T:sometimes) (the summits; have passed; into shadow) (the west; resulting; from the cooling of the air)
a reillumination the summits the west
observed have passed resulting
T:after the summits have passed into shadow T:sometimes
into shadow
from the cooling of the air