Archlight

noun
As seen from the inner surface, the reflected light from the skyward face of a ringworld.
Origin
So named because the skyward face resembles an arch overhead.
Source
Ringworld

Gridfire

noun
A method of creating a dimensional rift that releases astronomical amounts of energy into realspace from the energy grid between universes.
Source
Consider Phlebas

Vodsel

noun
A member of the species Homo sapiens.
Source
Under The Skin

Nestworld

noun
A type of artificial habitat composed of multiple twisting tubes, complexly intertwined.
Source
Matter

Robotics

noun
A branch of technology dealing with the design, construction, operation, and application of robots.
Source
Liar!

Robot

noun
An artificial person, assembled from biological components.
Origin
Robota, serf labour.
Source
Rossum’s Universal Robots

Ghostbuster

noun
A professional paranormal investigator and exterminator.
Source
Ghostbusters

Seatrider

noun
A personal air vehicle of which the pilot’s seat forms an integral part of the airframe.
Source
Matter

Avatoid

noun
An android acting as the avatar of a ship’s Mind.
Source
Matter

Sexoid

noun
An android designed to serve as a sexual device.
Source
Innocence

Deathday

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

Shellworld

noun
An artificial planet comprising a solid core surrounded by a concentric succession of spherical shells.
Source
Matter