Psychopraxiscope

noun
A device purported to offer instantaneous viewing of any subject’s thoughts.
Source
Great Breakthroughs in Darkness

Ractor

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

Raspulescent

adjective
Of a simulated scenario: becoming ripe with political intrigue.
Origin
Presumed to be coined after the Russian historical figure, Grigori Rasputin.
Source
The Hydrogen Sonata

Recipriversexclusion

noun
A number whose existence can only be defined as being anything other than itself.
Origin
Portmanteau of ‘reciprocal’, ‘reverse’, and ‘exclusion’.
Source
Life, the Universe and Everything

Reclone

noun
A reconstruction of a deceased person, cloned from their DNA and implanted with their scanned memories.
Origin
Portmanteau of ‘reconstruction’ and ‘clone’.
Source
A Borrowed Man

Relastatic

noun
A device that holds the area within static, relative to the universe without.
Source
The Restaurant at the End of the Universe

Replicant

noun
A being virtually identical to a human.
Source
Blade Runner

Resimulation

noun
A reconstruction of a deceased person of historic note, created from their corpus of documented works.
Origin
Coined with allusion to reincarnation.
Source
Accelerando

Retrostruct

noun
A record of an event created after the fact by combining data from multiple sources.
Origin
Portmanteau of ‘retroactive’ and ‘construct’.
Source
The One Who Was There

Revent

verb
The act of transferring the extracted mind-state of a dead person into a fresh body.
Origin
Derived from rĕ- (again) and veniō (“I come”).
Source
Surface Detail

Ringworld

noun
A ring-shaped artificial habitat encircling a star.
Source
Ringworld

Rit

pronoun
The third-person singular personal pronoun used to refer to a robot.
Source
The Child of Clay