I. -ən noun
( -s )
Usage: often capitalized
Etymology: Late Greek homoious ios of like substance (from Greek homoi- home- + -ousios, from ousia substance, being) + English -an (n. suffix)
: one that accepts the homoiousian doctrine
II. adjective
Etymology: Late Greek homoiousi os + English -an (adjective suffix)
1.
a. : holding to the doctrine that the Son is essentially like the Father but not of the same substance
b. : of or relating to the doctrine of homoiousia — distinguished from homoousian ; compare heteroousian
2. : of or relating to the homoiousians
3. : of or relating to homoiousia