- IPA: /ˈflætən/
flatten (flattens, present participle flattening; past and past participle flattened)
- (transitive) To make something flat or flatter.
- As there was a lot of damage, we chose the heavy roller to flatten the pitch.
- Mary would flatten the dough before rolling it into pretzels.
- (reflexive) To press one's body tightly against a surface, such as a wall or floor, especially in order to avoid being seen or harmed.
- (transitive) To knock down or lay low.
- The prize fighter quickly flattened his challenger.
- (intransitive) To become flat or flatter; to plateau.
- Prices have flattened out.
- (intransitive) To be knocked down or laid low.
- (music) To lower by a semitone.
- To make vapid or insipid; to render stale.
- (programming, transitive) To reduce (a data structure) to one that has fewer dimensions, e.g. a 2×2 array into a list of four elements.
- (computer graphics, transitive) To combine (separate layers) into a single image.
- French: aplatir
- German: plätten, flachmachen, planieren
- Italian: appiattire
- Portuguese: achatar
- Russian: (by rolling) раска́тывать
- Spanish: aplanar, achatar
- Italian: appiattirsi