knockdown

knockdown

See also: knock down

English

Etymology

knock +‎ down

Pronunciation

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Noun

knockdown (plural knockdowns)

1. An act of knocking down or the condition of being knocked down.
2. An overwhelming blow.
3. (slang, dated) Very strong ale or beer.
4. (genetics) A genetically modified organism that carries one or more genes in its chromosomes that has been made less active or had its expression reduced.
5. (genetics) The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene.
6. (nautical) The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
7. (soccer) a short pass played downwards, for example from the head onto someone's feet.
   • 2011 January 29, Chris Bevan, “Aston Villa 3 - 1 Blackburn”, in BBC‎:

     Pires, a three-time Cup winner with Arsenal who scored the Gunners' winner against Southampton in the 2003 final, has been a largely peripheral figure at Villa Park since joining in November - but the 37-year-old rolled back the years with a fine finish from Delfouneso's knockdown.

8. (film, television) A shelter erected for use as a temporary dressing room.
   • 1999, Scott Skelton, ‎Jim Benson, Rod Serling's Night Gallery: An After-hours Tour (page 294)

     We shot 'The Caterpillar' at General Service Studios, and the dressing rooms for the actors were what they call knockdowns: wooden frames covered in grungy, dirty red canvas. It looked like a circus tent.

Translations

act or the condition of being knocked down

Georgian: ნოკდაუნი (noḳdauni) Japanese: ノックダウン (nokkudaun), ダウン (daun)

Russian: нокда́ун (ru) m (nokdáun)

Verb

knockdown (third-person singular simple present knockdowns, present participle knockdowning, simple past and past participle knockdowned)

1. (genetics) To employ the knockdown technique

Adjective

knockdown (not comparable)

1. powerful enough to overwhelm or knock down

   a knockdown argument

   a knockdown blow

2. reduced in price, originally to a price below which an article would not be sold by the auctioneer
3. Capable of being taken apart for packing or removal.

   knockdown furniture

4. (of a rivet head) To be formed into a head by upsetting in fastening.

Derived terms

• knockdown-dragout