This is not a dictionary! - Search for "flatten" in The Danish Dictionary
February 21. 2013 from wordnet.princeton.edu
make flat or flatter; "flatten a road"; "flatten your stomach with these exercises"
March 22. 2016 from wordnet.princeton.edu
become flat or flatter; "The landscape flattened"
March 22. 2016 from wordnet.princeton.edu
lower the pitch of (musical notes)
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