STO Dictionary

Jefferies Tube - Narrow tunnels or corridors that provide access to critical starship systems.

Jefferies tubes - Internal maintenance conduits that are used to provide crew access to various ship's systems.

jeffries tube - Internal maintenance conduits that are used to provide crew access to various ship's systems.

Jem'Hadar - A race from the Gamma quadrant that was genetically engineered by the Changelings.

jfs47 - A system in the Pi Canis Sector

jiro - A first name. Most notably is Ambassador Jiro Sugihara of Starfleet who is the liason to the Diplomatic Corps.

Jiro Sugihara - In Star Trek Online he is an Ambassador and your contact for the Federation Diplomatic Corps.

JS - Jam Sensors (Science Ability)

jump - The action of pushing off a surface into the air.