(n) (comp) users' manual
(n) user-friendly
(n) (comp) user interface
(n) Eurosocialism
(n) (comp) Unicode Technical Committee
UTC
(n) unit control
(n) universal service
(n) universal space
(n) universal design
(n) (uk) common (Eurasian) swift (Apus apus)
(n) (uk) common toad (Bufo bufo)
(n) (uk) gray partridge (Perdix perdix)
grey partridge
(n) racing jacket (wasei: rider's jacket)
(n) light industry
(n) light heavyweight
(n) live recording
(n) rationalization
rationalisation
(n) radiocarbon test
(n) (comp) rack-mount server
(n) (comp) photo print service
(n) (comp) run time version
(n) (comp) randomizing routine
(n) (comp) landscape mode
(n) inside-the-park home run (baseball) (wasei: running home run)
inside-the-parker
(n) leads and lags
(n) leadership position
(n) leading hitter
(n) (comp) read-only memory
ROM
(n) reclining seat
(n) risk management