Webster's 1913 Dictionary
SYM-
SYM- Sym-.
Defn: See Syn-.
New American Oxford Dictionary
sym-
sym- ▶prefix variant spelling of syn- assimilated before b, m, p (as in symbiosis, symmetry, symphysis ).
Oxford Dictionary
sym-
sym- |sɪm | ▶prefix variant spelling of syn- assimilated before b, m, p (as in symbiosis, symmetry, symphysis ).
Sanseido Wisdom Dictionary
sym-
sym- /sɪm /接頭辞 〖b, m, pの前で 〗=syn- .