0 past participle, past simple of jackknife
1 If a truck that has two parts jackknifes, one part moves around so far towards the other part that it cannot be driven:
Both methods inevitably leave the jackknifed data sets less balanced than the original one.
Assuming that the dominance of mutations is the same for all traits, we calculated the mean dominance, weighted by the inverse of the jackknifed standard errors.
Examination of the results of each simulation reveals that this behaviour is due to a small number of cases where the jackknifed estimates are wildly inaccurate.
I have seen traffic on that road held up for a matter of four or five hours in the winter because one lorry has jackknifed.
In 1981, 10 lorries jackknifed in fatal and serious accidents.
The drivers of the car and the tractor-trailer that jackknifed were not hurt.
The destroyer jackknifed and went down rapidly.
