Ractor

noun
A professional performer of interactive fiction.
Origin
Abbreviation of ‘interactive (“ractive”) actor’.
Source
The Diamond Age

Synthespian

noun
A computer-generated artificial actor appearing in motion pictures.
Origin
Portmanteau of ‘synthetic’ and ‘thespian’.
Source
Idoru

Burbclave

noun
A fortified private surburb with its own by-laws and police force.
Origin
Portmanteau of ‘suburb’ and ‘enclave’.
Source
Snow Crash

Proj

verb
To move at high speed with vigorous effort.
Phrase
Proj on, spoken when one is about to proj.
Source
Virtual Light

Tanj

exclamation
Acronym of “There ain’t no justice” used as an expletive.
Source
Ringworld

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

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

Shellworld

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