| var. of syn- before s followed by a consonant and before z: systaltic; syzygy. |
| a prefix occurring in loanwords from Greek, having the same function as co- (synthesis; synoptic); used, with the meaning “with,” “together,” in the formation of compound words (synsepalous) or “synthetic” in such compounds (syngas). |
syn- or sym-
pref.
Together; with: synclonus.
United: syncephaly.
Same; similar: synteny.
At the same time: synesthesia.