Adaptoplant

noun
Seasonal vegetation that grows into irregular temporary housing.
Origin
Pairing of ‘adapt’ and ‘plant’.
Source
Central Station

Agrav

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

Andromorph

noun
A working animal genetically engineered to attain human likeness.
Origin
Andrós (“of man”) in combination with morphḗ (shape).
Source
Emphyrio

Ansible

noun
A device that allows instantaneous communication over any distance.
Origin
Contraction of ‘answerable’.
Source
Rocannon’s World

Anticitizen

noun
A person who opposes the social order of the Combine.
Source
Half-Life 2

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

Auntring

noun
A community of women and children without an adult male presence.
Source
Solitude

Autodarwinate

verb
To commit evolutionary self-deselection (suicide).
Origin
Charles Darwin; evolution of species by natural selection.
Source
Accelerando

Avatoid

noun
An android acting as the avatar of a ship’s Mind.
Source
Matter

Batcar

noun
A battery-powered vehicle.
Source
The Lathe of Heaven

Biot

noun
A biomechatronic robot.
Origin
Portmanteau of ‘biological’ and ‘robot’.
Source
Rendezvous With Rama

Burbclave

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