Cutteray

noun
Short-range laser used mostly as a cutting tool and surgeon’s scalpel.
Source
Dune

Cyberdyne

noun proper
Cyberdyne Systems, developer of the Skynet artificial intelligence.
Origin
Pairing of ‘cybernetic’ with dúnamis (power).
Source
The Terminator

Cyberspace

noun
A graphic representation of data abstracted from the banks of every computer in the human system.
Source
Neuromancer

Databall

noun
An encapsulated message sent over a digital communications network.
Source
The Girl Who Was Plugged In

Deathday

noun
The anniversary of a person’s death, celebrated posthumously by a computer simulation of the deceased.
Source
Red Dwarf

Deathdrive

noun
A type of stardrive that is claimed to kill everyone who uses it.
Source
A Vector Alphabet of Interstellar Travel

Deevee

verb
To devalue or invalidate something.
Origin
Possibly a contraction of ‘de-validate’.
Source
The Shockwave Rider

Derezz

verb
To destroy a computer program.
Origin
Abbreviation of ‘de-resolve’.
Source
Tron

Dirtgirl

noun informal
A low-status female living on Earth, not in the employ of the United Orbital Soviet.
See also
Mudboy
Source
Hardwired

Dirtside

noun
The surface of a planet.
Origin
“Dirtside – that was the only word for it. What did the globes of dust have to offer after the clear sharp world of space?”
Source
Spaceship Medic

Distrans

noun
A device for imprinting a message in the cry of a bird.
Origin
Abbreviated from ‘disguised transmission’.
Source
Dune

Downwell

adjective
Short form of the phrase “down the gravity well” – i.e. located on the surface of a planet.
adverb
From orbit to the surface of a planet.
Source
Accelerando