| Rating | Solver | Clue |
|---|---|---|
| METALLURGY | Metals science | |
| METALLOGRAPHY | The science or art of metals and metal working; also, a treatise on metals. | |
| ELECTRO-THERMANCY | That branch of electrical science which treats of the effect of an electric current upon the temperature of a conductor, or a part of a circuit composed of two different metals. | |
| VOLTAISM | That form of electricity which is developed by the chemical action between metals and different liquids; voltaic electricity; also, the science... |