flatness

Noun

flatness (countable and uncountable, plural flatnesses)

1. The state of being flat
   • The flatness of the landscape facilitates views right across the Firth of Forth to Fife, before the railway begins to pierce the Edinburgh suburbs.2022 November 30, Paul Bigland, “Destination Oban: a Sunday in Scotland”, in RAIL, number 971, page 75
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. Lack of bouquet and freshness of a wine, through too much aeration or infection with film yeasts
6. slim-tailedness or platykurtosis.