As a symbol sy is
the iso 3166-1 two-letter (alpha-2) code for syrian arab republic.
emphaty
Not English
Emphaty has no English definition. It may be misspelled.
sy
English
===(
en)===
(
en-abbr)
(
Seyfert galaxies)
(galaxy) Seyfert galaxy, a type of AGN class of active galaxy.