[ahy-zuh
n-stahyn; for 1 also Ger. ahy-zuhn-shtahyn; for 2 also Russ. ey-zyin-shtyeyn] 
| 1. | Fer⋅di⋅nand Gott⋅hold Max [fer-di-nahnt gawt-hawlt mahks] , 1823–52, German mathematician. |
| 2. | Ser⋅gei Mi⋅khai⋅lo⋅vich [syir-gyey myi-khahy-luh-vyich] , 1898–1948, Russian theatrical and motion-picture director. |
| Ei·sen·stein (ī'zən-stīn', ā'zyĭn-shtān') Soviet filmmaker considered among the most influential directors in the history of motion pictures. His films include Potemkin (1925) and Alexander Nevsky (1938), his first film with sound. |