Around 4 months of age, your Lab puppy will begin replacing the milk teeth with adult teeth. At 6 to 7 months, the full set of 42 permanent teeth will be in.
(plural strike rates) ( 1 baseball) the number of runs of a batter divided by the number of balls faced. ( 2 cricket) the number of runs scored by a batsman per 100 balls faced; the number of balls bowled by a bowler divided by the number of wickets taken.  Link/Cite.
Definition of strike. 1  1 : a tool for smoothing a surface (as of a mold) 2  2 : an act or instance of striking. 3  3a : a work stoppage by a body of workers to enforce compliance with demands made on an employerb : a temporary stoppage of activities in protest against an act or condition.