Jedi

noun
The guardians of peace and justice in the galaxy.
Origin
Jidaigeki, a period drama.
Source
Star Wars

Jesi

noun plural
Clones produced from a sample of blood purported to be that of Jesus Christ.
Source
What Would Sam Spade Do?

Joyboy

noun
An artificial male lover.
Source
A Borrowed Man

Junklight

noun
The light reflected by orbiting artificial satellites seen in the night sky.
Origin
Space junk, objects in orbit with no useful purpose.
Source
Against A Dark Background

Kipple

noun
Accumulated detritus.
Source
Do Androids Dream of Electric Sheep?

Kleggich

noun
Menial work done for the communal good.
Source
The Dispossessed

Lawgiver

noun
The standard sidearm issued to Judges in Mega City One.
Source
2000 AD: Robot Wars

Lectrospecs

noun
Spectacles with augmented- and virtual-reality capabilities.
Origin
Corruption of ‘electric spectacles’.
Source
Friends in Need

Legemat

noun
An optical character reader and universal language translator for text.
Origin
Derived from legere (to read) and Automat (machine).
Source
Changing Planes

Leptosoul

noun
The essence of a person’s phylogenetic tradition.
Origin
Leptós (thin).
Source
The Godwhale

Lightcycle

noun
A virtual vehicle that can create a barrier of light in its wake.
Source
Tron

Lighthugger

noun
A spaceship that travels at relativistic speeds.
Source
Weather