lightness


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lightness

Attribute of visual sensation in accordance with which a body seems to transmit or reflect diffusely a greater or smaller fraction of the incident light. This attribute is the psychosensorial correlate, or nearly so, of the photometric quantity luminance (CIE). See luminance.
References in periodicals archive ?
Which is why I am grateful to have discovered Italo Calvino's essay "Lightness" from his Six Memos for the Next Millennium, which not only helps to define the concept of lightness, but also identifies certain craft techniques that can be employed to achieve it.
This research is important because we have falsified the ratio hypothesis, which is currently the most widely invoked explanation of how we perceive lightness," she said.
However, my use of lightness as a critical framework functions in a more extensive manner.
Lightness is concerned with the more quantitative aspects of chromatic experience.
Yes, it appears that Dan is a lot less concerned with the unbearable lightness of being, and a lot more concerned with the unbearable lightness of weaponry.
I think lightness has to come from a very deep place if it's true lightness.
Swift initial drying even at elevated temperatures increases the lightness and decreases the saturation.
Publishers HarperCollins in the US and Faber in the UK are to issue special 20th anniversary editions of Milan Kundera's classic novel 'The Unbearable Lightness of Being'.
The scientists recorded color lightness, redness, yellowness, chroma and hue angle.
A spokeswoman for Triumph underwear says: ``Whatever you choose, comfort and lightness are foremost, while little details make all the difference.
If we think of it we cannot fail to perceive that the levity all about us, which affects to be mere lightness of heart, is atheism in the germ.
Of course, any attempt to typify the whole of Western historiography is bound to fail if pushed too far, but Kelley handles his distinction with an enviable lightness of touch, employing it more as a signpost than as a systematizing device.