knockdown

  1. Noun.  An act of knocking down or the condition of being knocked down.
  2. Noun.  An overwhelming blow.
  3. Noun.  (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.
  4. Noun.  (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.
  5. Noun.  (nautical) The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
  6. Noun.  (soccer) a short pass played downwards, for example from the head onto someone's feet.
  7. Adjective.  powerful enough to overwhelm or knock down.
  8. Adjective.  reduced in price.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.