Definition of Flatness

1. Noun. The property of having two dimensions.

Exact synonyms: Planeness, Two-dimensionality
Generic synonyms: Dimensionality
Derivative terms: Flat, Flat, Flat, Plane, Two-dimensional

2. Noun. A want of animation or brilliance. "The almost self-conscious flatness of Hemingway's style"
Generic synonyms: Expressive Style, Style
Derivative terms: Flat, Flat, Flat

3. Noun. A deficiency in flavor. "It needed lemon juice to sharpen the flatness of the dried lentils"

4. Noun. The property of having little or no contrast; lacking highlights or gloss.
Exact synonyms: Lusterlessness, Lustrelessness, Mat, Matt, Matte
Generic synonyms: Dullness
Derivative terms: Flat, Flat, Lusterless, Lustreless, Mat, Matt, Matte

5. Noun. Inactivity; showing an unusual lack of energy. "The general appearance of sluggishness alarmed his friends"

Definition of Flatness

1. n. The quality or state of being flat.

Definition of Flatness

1. Noun. The state of being flat ¹

2. Noun. The state of being two-dimensional; planar : planarity ¹

3. Noun. The state of being bland : dullness ¹

4. Noun. Mattness, the quality of a painted surface which scatters or absorbs the light falling on it, so as to be substantially free from gloss or sheen ¹

5. Noun. (context: oenology) Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts ¹

6. Noun. (statistics) Sometimes used as a synonym for slim-tailedness or platykurticity ¹

¹ Source:

Definition of Flatness

1. the state of being flat [n -ES]

Flatness Pictures

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Lexicographical Neighbors of Flatness

flatness (current term)
flatten out

Literary usage of Flatness

Below you will find example usage of this term as found in modern and/or classical literature:

1. Physical Optics by Robert Williams Wood (1911)
"Testing Glass Plates for flatness and Plane-Parallelism.— If we have an optical glass flat, we can test the flatness of any other plate by laying it upon ..."

2. Essays and Observations on Natural History, Anatomy, Physiology, Psychology by John Hunter, Richard Owen (1861)
"Of the flatness of the Bottom of Eyes. The flatness of the bottom of the eyes of some animals is, perhaps, to have distinct vision on more parts than one, ..."

3. A Practical Treatise on the Physical Exploration of the Chest, and the by Austin Flint (1866)
"flatness may be due to complete solidification of lung from inflammation or ... Hence, instead of flatness, there is dulness, which may approximate closely ..."

4. A Tabular handbook of auscultation and percussion by Herbert Codman Clapp (1889)
"In many of them dullness is more common than flatness. ... Congestion of the lung may give rise to dullness, but never to flatness. ..."

5. Sailing Alone Around the World by Joshua Slocum (1900)
"... Stanley—Three wise Boors seek proof of the flatness of the earth—Leaving South Africa. ON the 16th of September, after eight restful days at Rodriguez, ..."

6. The Theory of Optical Instruments by Edmund Taylor Whittaker (1907)
"... condition for flatness of field. We have seen that the wave-fronts which issue from points of the object will, after passage through an optical ..."

7. Physical diagnosis by Richard Clarke Cabot (1912)
"or "fiat" sound, flatness designating the extreme of the qualities that ... Below the sixth rib we find true flatness near the sternum and for a few inches ..."

8. The Library of Literary Criticism of English and American Authors by Charles Wells Moulton (1904)
"... and that his ear was too little refined to be offended by the spondaic flatness of an English hexameter. That Poe was sincere in his opinions, ..."

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