Completing its life cycle within a year.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "one-year" in a sentence
"The property will be leased for a term of one-year through a sub-lease agreement with the current lessee, Triangle T Partners, at Triangle T Partners' cost."
"The phrase referred to a one-year probation period when each person stood in the balance."
"My one-year sabbatical ended up lasting over a decade."