- (n) period
 term
 interval
 (P)
 
- (n) factory worker with a fixed term contract of employment 
- (n-t) during
 for the duration of
 
- (n) short term
 short time
 (P)
 
- (n,adj-no) extended period of time
 prolonged
 long-range
 
- (n) period of transition (e.g. from old to new system) 
- (n-t) fixed interval
 fixed period
 
- (n) (abbr) worker with a fixed term contract of employment 
- (n) contract period 
- (n) training period
 residency (esp. medical)
 internship
 
- (n) period of employment 
- (n) open period 
- (n) term in which an appeal may be filed 
- (n) test (testing) period 
- (n,adj-no) trial period 
- (n) (comp) test period
 experimental period
 
- (n) period of time in which to recharge one's batteries 
- (n) preparatory phase
 preparatory period
 
- (n) (time limit imposed by the) statute of limitations 
- (n) lifetime 
- (n) length of one's stay 
- (n) lending-period
 period of loan (e.g. for a library book)
 
- (n) (comp) study period 
- (n) period of validity 
- (n) period of work
 period of service
 tour of duty
 
- (n) term of guarantee
 warranty period
 
- (n) (comp) retention period 
- (n) term of validity
 period for which (a ticket) is available (valid)
 
- (n) term of validity
 period for which (a ticket) is available (valid)
 
- (n) grace period