
1) Christian movement
Found on
https://www.crosswordclues.com/clue/homoiousian

Homoiousia (ə {respell|HOM|oy|OW|see-ə}) is the theological doctrine that Jesus the Son of God and God the Father are of similar (ὁμοιο- homoio- or homeo-) but not the same substance, a position held by the Semi-Arians in the 4th century. It contrasts with the homoousia of orthodox Trinitarianism and the heteroousia of Arianism. ==Backgrou...
Found on
http://en.wikipedia.org/wiki/Homoiousian

• (n.) One of the semi-Arians of the 4th century, who held that the Son was of like, but not the same, essence or substance with the Father; -- opposed to homoousian. • (a.) Of or pertaining to Homoiousians, or their belief.
Found on
http://thinkexist.com/dictionary/meaning/homoiousian/

(from the article `George of Laodicea`) bishop of Laodicea who was one of the principal champions of the homoiousian, or moderate Arian, theological position of the early Christian church....in 357, but their extremism stimulated the moderates, who asserted that the Son was `of similar substance` (homoiousios) with the Father. ....
Found on
http://www.britannica.com/eb/a-z/h/66
Ho`moi·ou'si·an noun [ Greek ..., ..., of like substance;
'o`moios +
o'ysi`a the substance, being, essence.]
(Eccl. Hist.) One of the semi-Arians of the 4th century, who held that the Son was of like, but not the same, essence or substance with the Father; -- opposed to
...Found on
http://www.encyclo.co.uk/webster/H/57

a member of a 4th-century a.d. church party that maintained that the essence of the Son is similar to, but not the same as, that of the Father.
Found on
https://www.infoplease.com/dictionary/homoiousian
No exact match found.