| a preparation containing an insoluble dye converted by reduction into a soluble leuco base, or a vessel containing such a preparation |
| any of the electronegative elements, fluorine, chlorine, iodine, bromine, and astatine, that form binary salts by direct union with metals |
metamerism me·tam·er·ism (mə-tām'ə-rĭz'əm)
n.
The condition of having the body divided into metameres, exhibited in most animals only in the early embryonic stages of development.