Definition of reinstate for English Language Learners : to put (someone) back in a job or position that had been taken away : to begin using or dealing with (a law, policy, system, etc.) again
Detailed Synonyms for period of time in English. period of time: period of time [the ~] noun. the period of time the term; the period of time; the period; the space of time; the time; the space term [the ~] noun.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: 1  time period, period of time, period(noun) an amount of time. 2  period(noun) the interval taken to complete one cycle of a regularly repeating phenomenon. 3  period(noun) (ice hockey) one of three divisions into which play is divided in hockey games.