
1) Agility 2) Airiness 3) Brightness 4) Frivolity 5) Gloriole 6) Halo 7) Highlighting 8) Legerity 9) Levity 10) Nimbleness 11) Spaciousness 12) Sunniness 13) Weightlessness
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https://www.crosswordclues.com/clue/lightness

1) Buoyancy 2) Color 3) Flimsiness 4) Fluffiness 5) Frothiness 6) Weight 7) Weightlessness
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https://www.crosswordclues.com/clue/lightness

- the property of being comparatively small in weight
- the gracefulness of a person or animal that is quick and nimble
- having a light color
- the visual effect of illumination on objects or scenes as created in pictures
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In colorimetry and color theory, lightness, also known as value or tone, is a representation of variation in the perception of a color or color space`s brightness. Various color models have an explicit term for this property. The Munsell color model uses the term value, while the HSL color model and Lab color space use the term lightness. The HSV....
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http://en.wikipedia.org/wiki/Lightness
[philosophy] Lightness is a philosophical concept most closely associated with continental philosophy and existentialism, which is used in ontology. The term `lightness` varies in usage but is differentiated from physical weight, such as `the lightness of balsa wood`. In other words, `light like a bird,` as Paul Valéry wrote, `and not like...
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http://en.wikipedia.org/wiki/Lightness_(philosophy)

• (n.) The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace. • (n.) Illumination, or degree of illumination; as, the lightness of a room. • (n.) Absence of depth or of duskiness in color; as, the lightness of a tint; lightness of complexion.Lightness: words in the de...
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http://thinkexist.com/dictionary/meaning/lightness/

the brightness of an area judged relative to the brightness of a similarly illuminated area that appears to be white or highly transmitting NOTE - Only related colours exhibit lightness.
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-02-31
Light'ness noun [ From
Light not heavy.] The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; nimbleness; delicacy; grace.
Syn. -- Levity; volatility; instability; inconstancy; unsteadiness; giddiness; flightiness; airiness; gayety; liveliness; agility...
Found on
http://www.encyclo.co.uk/webster/L/40

[
n] - the property of being comparatively small in weight 2. [n] - having a light color
Found on
http://www.webdictionary.co.uk/definition.php?query=lightness
noun the property of being comparatively small in weight; `the lightness of balsa wood`
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https://www.encyclo.co.uk/local/20974

Attribute by which a perceived color is judged to be equivalent to one of a series of greys ranging from white black. (CIE International Lighting Vocabulary).
Found on
https://www.encyclo.co.uk/local/23435

Perception by which white objects are distinguished from gray objects and light objects from dark color objects.
Found on
https://www.hunterlab.com/en/color-measurement-learning/glossary/

One of the three dimensions describing color. The attribute by which observers distinguish white objects from gray objects and light colored objects from dark colored objects.
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https://www.xrite.com/learning/other-resources/glossary
No exact match found.