(n) test rider
(n) destructor
(n) trial and error (wasei: try and error)
(n) triathlon
(P)
(n) triangle
(P)
(n) trijet
(n) tribalism
(n) tribology
(n) trimix
diver's gas mix of helium, oxygen, and nitrogen
(n) tragedy
(n) track up
(n) track back
(n) (comp) track pod
(n) (comp) track pitch
(n) trackball
(n) tradition
(n) traverse survey
(n) (comp) traffic contract
(n) (comp) total traffic
(n) (comp) traffic characteristics
(n) trappistine
(n) (comp) traffic load
traffic amount
(n) (comp) Travelstar
(n) travel set
(n) (comp) trunk type
(n) trunk room
(n) transceiver
(P)
(n) transition
(n) electrical transistor
(n) transfer