Definition for SID-ER-OG'RA-PHY

SID-ER-OG'RA-PHY, n. [Gr. σιδηρος, steel, or iron, and γραφω, to engrave.]

The art or practice of engraving on steel, by means of which, impressions may be transferred from a steel plate to a steel cylinder in a rolling press of a particular construction. – Perkins.

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