| the offspring of a zebra and a donkey. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| Morley (môr'lē) Pronunciation Key
American chemist and physicist who with Albert Michelson disproved the existence of ether, the hypothetical medium of electromagnetic waves. Their work served as the starting point for Albert Einstein's development of the theory of relativity. |