From Japanese-English FreeDict Dictionary ver. 0.1:
[ichi1] [news1] [nf06] 塩 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] [news1] [nf06] しお /ɕˈio̞/, えん /ˈe̞ɴ/
1. (noun (common) (futsuumeishi))
(esp. しお)
salt (i.e. sodium chloride), common salt, table salt
2. [chemistry term] (esp. えん)
salt (e.g. sodium chloride, calcium sulfate, etc.)
3. (しお)
hardship, toil, trouble
4. (しお)
[food term] saltiness