Definition of "flatness" in Englisch

noun

1. The state of being flat

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

3. The state of being bland : dullness

4. 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

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

6. (statistics) slim-tailedness or platykurtosis.