Longman Dictionary of Contemporary English
time frame
noun
EXAMPLES FROM OTHER ENTRIES
▪ We're unlikely to finish the project within the two-year time frame.
EXAMPLES FROM CORPUS
▪ But it was always widely feared that the narrow time frame was far too short and would work against an effective peace.
▪ Despite all the talk expected to come from both sides, they know they are operating in a short time frame.
▪ Furthermore, the time frame for completing the transaction may not allow the luxury of negotiating heads.
▪ He declined to comment on the time frame for another discount rate cut.
▪ He did not give a time frame for achieving this goal.
▪ Is this shorter time frame relevant morally?
Wiktionary
time frame
n. the period of time during which something is expected to occur, or does occur
WordNet
time frame
n. a time period during which something occurs or is expected to occur; "an agreement can be reached in a reasonably short time frame"