
1) Become flat or flatter 2) Clear 3) Demolish 4) Depress 5) Form 6) Get thinner 7) Level 8) Lower the pitch of 9) Make flat or flatter 10) Make into a pancake 11) Raze 12) Render pancake-shaped 13) Shape 14) Smush 15) To become flat or flatter 16) To knock down or lay low 17) To lower by a semitone
Found on
https://www.crosswordclues.com/clue/flatten

1) Crush 2) Deck 3) Demolish 4) Destroy 5) Grade 6) Iron 7) Lay low 8) Level 9) Mash 10) Pancake 11) Press 12) Raze 13) Smush 14) Step on
Found on
https://www.crosswordclues.com/clue/flatten

• (a.) To reduce to an even surface or one approaching evenness; to make flat; to level; to make plane. • (a.) To throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit. • (v. i.) To become or grow flat, even, depressed dull, vapid, spiritless, or depressed below pitch. • (a.) To make vapid o...
Found on
http://thinkexist.com/dictionary/meaning/flatten/

To combine together multiple layers and other elements of a digitally manipulated or composite image into one. Usually final step of working with layers prior to saving images in standard image format. Otherwise, save must be in native format
Found on
http://www.encyclo.co.uk/local/21048
Flat'ten (flăt't'n)
transitive verb [
imperfect & past participle Flattened ;
present participle & verbal noun Flattening .] [ From
Flat ,
adjective ]
1. To reduce to an even surface or one app...
Found on
http://www.encyclo.co.uk/webster/F/39
Flat'ten intransitive verb To become or grow flat, even, depressed, dull, vapid, spiritless, or depressed below pitch.
Found on
http://www.encyclo.co.uk/webster/F/39

In music flatten means to lower the pitch of or to cause to sound less sharp.
Found on
http://www.probertencyclopaedia.com/browse/VF.HTM

To combine together multiple layers and other elements of a digitally manipulated or composite image into one. Usually final step of working with layers prior to saving images in standard image format. Otherwise, save must be in native format.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

[
v] - make flat or flatter 2. [v] - become flat or flatter 3. [v] - lower the pitch of (musical notes)
Found on
http://www.webdictionary.co.uk/definition.php?query=flatten
flatten out verb become flat or flatter; `The landscape flattened`
Found on
https://www.encyclo.co.uk/local/20974

to make flat. · to knock down: The boxer flattened his opponent in the second round.
Found on
https://www.infoplease.com/dictionary/flatten
No exact match found.