OLDEST
\ˈə͡ʊldəst], \ˈəʊldəst], \ˈəʊ_l_d_ə_s_t]\
Word of the day
beta Lactams
- Cyclic amides formed aminocarboxy acids by the elimination water. They isomeric with lactims, which are enol forms of lactams. (From Dorland, 27th ed)