Atavachron

noun
A device used to prepare a time traveller’s cellular structure and brain patterns for survival in their selected time period.
Origin
Derived from atavus (ancestor) and khrónos (time).
Source
Star Trek: The Original Series

Joyboy

noun
An artificial male lover.
Source
A Borrowed Man

Nocturnalia

noun plural
Life that wells up in unexpected ways whenever darkness falls on the city.
Origin
Pairing of ‘nocturnal’ with the Latin suffix -alia (nominalization/intensification).
Source
Borne

Prodgy

noun
A child.
Origin
Abbreviation of ‘progeny’.
Source
Stand on Zanzibar

Musculator

noun
A creature that contracts its body when one end is in fresh water and the other in salt water, bred for use as a pump or motor.
Source
The Crucible of Time

Nervograp

noun
Specialised animal tissue bred to transmit signals over long distances.
Source
The Crucible of Time

Aurelac

noun
A subterranean organism resembling a botanical rhizome, known to produce valuable pearl-like stones.
Origin
Derived from aureus (golden) and lac (milk).
Source
Prospect

Wormword

noun
A word, which when spoken inveigles its way into the mind of the speaker and manifests itself in his flesh.
Origin
Named for the parasitic manifestation caused by the word.
Source
Entry Taken from a Medical Encyclopedia

Mockman

noun
An animal bred for slavery, genetically similar to a human.
Source
Good Mountain

Vitrifax

noun
A device able to freeze a person in a cylinder of liquid nitrogen to preserve the body in case of catastrophe.
Origin
Formed from vitri (glass) and ‘fax’ – fac simile (“make like”).
Source
Fiasco

Wethead

noun informal
A person without cybernetic brain implants.
Source
The Star Surgeon’s Apprentice

Exoterre

noun
A species not originating from the planet Terre.
Origin
Formed from éxō (foreign) and terra (ground).
Source
Embassytown