Girlygirl

noun
A professionally flirtatious hostess, akin to a geisha.
Source
The Ballad of Lost C’mell

Godshatter

noun
Fragments of a superintelligence melded with a human-level intellect.
Source
A Fire Upon the Deep

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

Grislesque

adjective
Of a simulated scenario: so complex as to cause horror or disgust.
Origin
Corruption of ‘grisly’.
Source
The Hydrogen Sonata

Grok

verb
To understand so thoroughly that the observer becomes a part of the observed.
Source
Stranger in a Strange Land

Grosstopical

adjective
Crudely physical; not taking into account the topography of Cleavage.
Origin
Formed from gross (without deductions) and topical (related to a particular place).
Source
The City & The City

Headvid

noun
Video viewed by direct interface with the visual cortex of the brain.
Source
Voice of the Whirlwind

Hearthmate

noun
One’s fellow resident in a shared household.
Source
Coming of Age in Karhide

Hegemonarchy

noun
A form of government comprising a ruling class and a supreme leader.
Origin
Portmanteau of ‘hegemony’ and ‘monarchy’.
Source
Use of Weapons

Hier

verb
To perceive the thoughts of others telepathically.
Origin
Corruption of ‘hear’.
Source
Norstrilia

Hilf

noun
Acronym of “high intelligence life form”.
Source
Planet of Exile

Hilfer

noun informal
An ethnologist of high intelligence life forms.
Source
Rocannon’s World