Definition of run-in in English:


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  • 1British The approach to an action or event: the final run-in to the World Cup
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    • Lancs have been in imperious form of late and with the signings of Symonds and North, the county have real momentum as we approach the final run-in.
    • He was today maintaining a focused game-by-game approach to the run-in after seeing his York City Knights side put one foot in LHF National League One.
    • Several of the young players shone and I'm looking forward to a successful run-in to the end of the season.
  • 1.1The home stretch of a racecourse: the horse galloped on strongly up the run-in
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    • Don't count your money until the post is reached because, as with the rest of the Grand National course, the run-in can - and does - change fortunes.
    • The run-in is 3 ½ furlongs long and after an initial downhill stretch it rises in the final furlong.
    • The track is an undulating one with a long run-in of almost five furlongs.
  • 1.2A period during which an engine or other device is run in: each system did run-in for at least 30 days
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    • We will use electronic monitors for 8-12 months after an initial two month run-in period before the intervention.
    • After a three month dietary run-in period patients were stratified on the basis of fasting plasma glucose concentration and body weight.
    • We excluded participants if they recorded no impairment in quality of life in their diaries during the run-in period or if they filled in their diaries on fewer than 10 days during that period.

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