Definition of midterm adjective from the Oxford Advanced Learner's Dictionary
midterm
adjective
ˌmɪdˈtɜːm ˌmɪdˈtɜːrm
[only before noun]
1in the middle of the period that a government, a council, etc. is elected formidterm elections2for or connected with a period of time that is neither long nor short; in the middle of a particular perioda midterm solutionmidterm losses see also long-term, short-term3in the middle of one of the main periods of the academic yeara midterm examination/break see also half-term