| a yellow oil, C20H28O, similar to vitamin A, obtained from fish liver. |
| vitamin A2 n. A golden yellow oil, C20H28O, occurring chiefly in the livers of freshwater fish and having about 40 percent of the biological activity of vitamin A1. |
vitamin A2 n.
A golden yellow oil occurring chiefly in the livers of freshwater fish and having about 40 percent of the biological activity of vitamin A1.