Lexicon
- Archmagos
- A senior priest-rank of the Cult Mechanicus, above Magos. Modifiers (Dominus, Veneratus, Explorator) specify field of authority.
- Cogitator
- A computational engine of the Imperium and the Mechanicum. The Mechanicum equivalent of "computer" — but blessed.
- Fabricator-General
- Highest title of the Cult Mechanicus — the high priest of Mars, planetary governor of the Red Planet, and the Adeptus Mechanicus' permanent voice among the High Lords of Terra.
- Lingua-Technis
- The technical liturgical language of the Cult Mechanicus — Cant Mechanicus and Binary Cant in their proper combination.
- Logis
- A specialist Tech-Priest of the Adeptus Mechanicus devoted to data analysis, statistics, logistics and predictive forecast — a data-vore whose pronouncements verge on the prophetic.
- Magos Biologis
- Tech-Priest of the Adeptus Mechanicus specialising in genetics, anatomy, and biology — flesh treated as another machine.
- Magos Dominus
- Senior Tech-Priest of the Adeptus Mechanicus who commands its military forces and master of the Battle-Automata of the Legio Cybernetica.
- Magos Errant
- A wandering, jack-of-all-trades Magos of the Adeptus Mechanicus attached by treaty to Rogue Trader fleets and Imperial expeditions, trading broad multi-discipline expertise for the right to study sites the expedition encounters.
- Magos Genetor
- A senior Magos of the Adeptus Mechanicus specialising in the study of biological systems — flesh treated as another form of machine — and the assay of Adeptus Astartes gene-seed tithes.
- Mechadendrite
- Catch-all term for the bionic, tentacle-like augmetic limbs grafted to Tech-Priests of the Adeptus Mechanicus and Techmarines of the Adeptus Astartes.
- Noosphere
- The data-shroud of a forge world; an information sphere read directly through cranial implants.
- Servitor
- A mind-wiped human chassis driven by augmetic implants for menial or specialised labour.
- Skitarii
- The cybernetically-augmented infantry corps of the Cult Mechanicus.
- Tech-Priest
- Cyborg priest-engineer of the Cult Mechanicus, devoted to the Omnissiah and to the recovery and maintenance of sacred technology.