Word:

least recently used

least recently used - (operating systems) (LRU) A rule used in a paging system which selects a page to be paged out if it has been used (read or written) less recently than any other page. The same rule may also be used in a cache to select which cache entry to flush.

This rule is based on temporal locality - the observation that, in general, the page (or cache entry) which has not been accessed for longest is least likely to be accessed in the near future.
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lease-lend
leased
leased line
Leasehold
Leaseholder
Leaser
Leash
Leasing
Leasing making
Leasow
Least
least bittern
least common multiple
least effort
least fixed point
least of all
-- least recently used --
least resistance
least sandpiper
least shrew
least significant bit
Least square
least squares
least upper bound
Leastways
leastwise
Leasy
Leat
Leather
Leather board
leather carp
leather fern
leather flower
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