DICT.TW Dictionary Taiwan

 flat·ten /ˈflætṇ/
 (vt.)弄平,打倒,使失去光澤;(vi.)變單調,變平

 Flat·ten, v. i. To become or grow flat, even, depressed, dull, vapid, spiritless, or depressed below pitch.
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 Flat·ten v. t. [imp. & p. p. Flattened p. pr. & vb. n. Flattening.]
 1. To reduce to an even surface or one approaching evenness; to make flat; to level; to make plane.
 2. To throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit.
 3. To make vapid or insipid; to render stale.
 4. Mus. To lower the pitch of; to cause to sound less sharp; to let fall from the pitch.
 To flatten a sail Naut., to set it more nearly fore-and-aft of the vessel.
 Flattening oven, in glass making, a heated chamber in which split glass cylinders are flattened for window glass.

 flatten
      v 1: make flat or flatter; "flatten a road"; "flatten your
           stomach with these exercises"
      2: become flat or flatter; "The landscape flattened" [syn: flatten
         out]
      3: lower the pitch of (musical notes) [syn: drop] [ant: sharpen]