Astrotrope

noun
A mount that allows a telescope to accurately follow the motion of the night sky.
Origin
Formed from ástron (a celestial body) and trópos (a turn).
Source
The Crucible of Time

Corsec

noun
A unit of time.
Origin
Possibly an abbreviation of ‘corrected’ (for time dilation) and ‘second’.
Source
The Island

Vibrometer

noun
An instrument that can interweave, differentiate, coordinate or completely counteract vibrations of any source or nature whatsoever!
Source
The Vibrometer

Selenoclasm

noun
The sundering of a moon.
Origin
Derived from selḗnē (moon) and klásma (a fragment).
Source
Fiasco

Congohelium

noun
Matter and anti-matter locked in a fine magnetic grid to ward off the outermost perils of space.
Source
The Rediscovery of Man

Chronopathic

adjective
Able to distort time.
Origin
Formed from khrónos (time) and the suffix -pathic (abnormality).
Source
The Crime and the Glory of Commander Suzdal

Cosmeg

noun
A single star containing all the mass in the universe.
Origin
Abbreviated from ‘cosmic egg’.
Source
The Gods Themselves

Agrav

noun
A material producing an anti-gravity effect.
Source
A Fire Upon the Deep

Oophase

adjective
Of a child: born after the waning years of the On-Off sun.
Origin
Abbreviation of ‘out of phase’.
Source
A Deepness in the Sky

Spindizzy

noun informal
The Dillon-Wagoner gravitron polarity generator, an anti-gravity device that also enables faster-than-light travel.
Origin
Named for the device’s effect on the magnetic moment of atoms within its field.
Source
Cities in Flight