The earliest photographic prints and plates have a spectral quality, with the figures looking like ghosts.

This spectral quality doesn't make the depicted travails any less potent, rather it gives the people and events a continuing afterlife.

There was a spectral quality to them, an otherworldly radiance and a lack of opacity.

The multi-directional glow from the rooms around the garden lent it a spectral quality.

The latter is one of several works printed on silk fabric, a method that reinforces the photographs' already spectral qualities.

The spectral quality of this documentary is overwhelming.

"Color vision is the faculty of the organism to distinguish lights of different spectral qualities."

The memory of that evening had a misty, spectral quality about it.

Paul was surprised to see few motorists; it gave the street an almost spectral quality.

There was a spectral quality to the city.