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flatten

[flat-n] /ˈflæt n/
verb (used with object)
1.
to make flat.
2.
to knock down:
The boxer flattened his opponent in the second round.
verb (used without object)
3.
to become flat.
Verb phrases
4.
flatten in, Nautical, flat1 (def 61).
5.
flatten out, Aeronautics. to fly into a horizontal position, as after a dive.
Origin
1620-1630
1620-30; flat1 + -en1
Related forms
flattener, noun
overflatten, verb (used with object)
unflattened, adjective
Synonyms
2. ground, fell, prostrate, deck, floor.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for flattened
  • The forehead is flattened, and the bill is strong and pointed.
  • The monociliated cells of the dorsal epitheloid are flattened and contain lipid bodies.
  • It has a thin green skin fused with the white flesh, and a single large flattened pip.
  • In many varieties the fruit is flattened on one or two sides.
  • Aquatic species have flattened tails, to act as a fin, aiding in swimming.
British Dictionary definitions for flattened

flatten

/ˈflætən/
verb
1.
(sometimes foll by out) to make or become flat or flatter
2.
(transitive) (informal)
  1. to knock down or injure; prostrate
  2. to crush or subdue: failure will flatten his self-esteem
3.
(transitive) (music) to lower the pitch of (a note) by one chromatic semitone Usual US word flat
4.
(intransitive) foll by out. to manoeuvre an aircraft into horizontal flight, esp after a dive
Derived Forms
flattener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for flattened

flatten

v.

late 14c., "to prostrate oneself," also "to fall flat," from flat (adj.) + -en (1). Meaning "to make flat" is 1620s. Related: Flattened; flattening.

Online Etymology Dictionary, © 2010 Douglas Harper
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13
15
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