knockinとは 意味・読み方・使い方

名詞

knockin

1. (genetics) The insertion of a cDNA sequence at a particular locus in an organism's chromosome
   • 2015 July 8, “Non-Invasive Quantification of Cartilage Using a Novel In Vivo Bioluminescent Reporter Mouse”^[1], PLOS ONE, DOI:10.1371/journal.pone.0130564: 

     The advantage of this design is that the targeted knockin retains the intact endogenous aggrecan locus and expresses the tamoxifen-inducible CreERT2 protein from a second IRES-driven open reading frame.

動詞

knock in (三人称単数 現在形 knocks in, 現在分詞 knocking in, 過去形および過去分詞形 knocked in)

1. (obsolete, Oxford University slang) To enter college after hours—after half-past ten at night when the doors have been locked.
   • 1825, Westmacott, Charles Molloy, The English Spy, page 138:

     "Close the oak, Jem," said Horace Eglantine, "and take care no one knocks in before we have knocked down the contents of your master's musical melange."

   • 1861, Hughes, Thomas, Tom Brown at Oxford, London: Macmillan and Co., published 1883, page 458:

     There's twelve striking. I must knock in. Good night. You'll be round to breakfast at nine?

   • 1861, Bradley, Edward, The Adventures of Mr. Verdant Green:

     At first, too, he was on such occasions greatly alarmed at finding the gates of Brazenface closed, obliging him thereby to "knock-in;" and not only did he apologize to the porter for troubling him to open the wicket, but he also volunteered elaborate explanations of the reasons that had kept him out after time […]

2. (snooker, transitive) To pot (a ball)
3. (snooker, transitive) To score (a break)
   • 2023 May 1, Steve Sutcliffe, “World Snooker Championship 2023 final: Luca Brecel beats Mark Selby for first world title”, in BBC Sport‎^[1]:

     With the tension rising Brecel knocked in a timely 51 to leave himself on the brink of victory, which he confirmed with a stylish 112 break.

関連する語

• knock out (“leave after hours”)

参照

• (card game): 1873, John Camden Hotten, The Slang Dictionary