Embryomech

noun
A technology that can build any object from surrounding matter.
Origin
Portmanteau of ‘embryo’ and ‘mechanical’.
Source
Neom

Emmish

adjective informal
Behaviour characteristic of an Emotional (as distinct from a Parental or a Rational).
Source
The Gods Themselves

Endwife

noun
A woman who has vowed to tend the stricken, help the hurt to live, and bury the dead.
Origin
Pairing of ‘end’ (cessation) and wif (woman).
Source
The Deep

Eptification

noun
A training process in which the student is medicated into a trance-like state that results in perfect recall.
Origin
Derived from the acronym EPT (‘education for particular tasks’).
Source
Stand on Zanzibar

Esper

noun
A person with psychic powers.
Origin
Abbreviation of ‘extra-sensory perception’.
Source
The Demolished Man

Excession

noun
Something excessive.
Source
Excession

Exocluster

adjective
Of an ansible: one who sings the twinning song but is not part of a cluster.
Source
Waiting on a Bright Moon

Exoterre

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

Fakebook

noun
A written document stored in electronic form.
Source
Light

Famnexdo

noun
A simulacrum family unit.
Origin
Family Next Door, a product of Frauenzimmer Associates.
Source
The Simulacra

Farborn

noun archaic
A person not native to the planet they are inhabiting.
Source
Planet of Exile

Farfetch

verb
The intuitive perception of a moral entirety.
Source
The Left Hand of Darkness