VAIN a.
Having no real substance, value, or importance; empty; void; worthless; unsatisfying. "Thy vain excuse." Shak. Every man walketh in a vain show. Ps. xxxix. 6. Let no man deceive you with vain words. Eph. v. 6. Vain pomp, and glory of this world, I hate ye! Shak. Vain visdom all, and false philosophy. Milton.…
ZINC n.
as a disagreeable odor, and is spontaneously inflammable in the air. It has been of great importance in the synthesis of organic compounds, and is the type of a large series of similar compounds, as zinc ethyl, zinc amyle, etc. -- Zinc oxide (Chem.), the oxide of zinc, ZnO, forming a light fluffy sublimate when zinc i…