In 4th-century Christianity, the Anomoeans , also known as Heterousians , Aetians , or Eunomians , were a sect that held to an extreme form of Arianism, claiming that Jesus was neither of the same nature (homoousian) as God the Father nor even a similar nature to God the Father (homoiousian)âÂÂthe latter being maintained by the semi-Arians.
The word anomoean comes from Greek (an-) 'not' and (homoios) 'similar', thus 'different; dissimilar'. In the 4th century, during the reign of Constantius II, this was the name by which the followers of Aëtius and Eunomius were described. The term heterousian derives from Greek , heterooúsios 'differing in substance' from , héteros 'another' and , ousÃÂa 'substance, being'.
The semi-Arians condemned the Anomoeans in the Council of Seleucia, and the Anomoeans condemned the semi-Arians in their turn in the Councils of Constantinople and Antioch; erasing the word (homoios) from the formula of Rimini and that of Constantinople and protesting that the Word had not only a different substance but also a will different from that of the Father. From that, they were to be called (anomoioi).
In the 5th century, the Anomoean presbyter Philostorgius wrote an Anomoean church history.