term of years determinable
An estate in land held for a term of years which determined on the deaths of certain individuals, or the cessation of certain life interests.
adj
able to be determined or limited
able to be decided or settled by law
Of a tenure or estate in land, able to be determined on the occurrence of some event.
noun
An attribute of something that is susceptible of determination into various states
It is certainly not a Moorean fact that there could have been other determinables or combinations of determinables than those that there actually are.