| a chattering or flighty, light-headed person. |
| a fool or simpleton; ninny. |
Evans Ev·ans (ěv'ənz), Herbert McLean. 1882-1971.
American anatomist who isolated four pituitary hormones and discovered vitamin E (1922).
| Evans (ěv'ənz) Pronunciation Key
American biologist who discovered vitamin E in 1922 and conducted research that led to the discovery of the growth hormone in the pituitary gland. |