释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sid•er•og•ra•phy (sid′ə rog′rə fē),USA pronunciation n. - the art or technique of engraving on steel.
- Metallurgya method of increasing the number of reproductions obtained from a steel engraving by first rolling a soft-steel cylinder over a hardened steel plate and then rolling the hardened cylinder over a soft-steel plate.
- 1810–20; sidero-1 + -graphy
sid′er•og′ra•pher, n. sid•er•o•graph•ic (sid′ər ə graf′ik),USA pronunciation adj. |