To coat a metal surface with a thin layer of silver, often electrolytically.

development

(mathematics) A topological space homeomorphic to a plane (or open disk) and equipped with a hyperbolic metric.

(phonetics, of a consonant) The point of contact, where an obstruction occurs in the vocal tract between an active (moving) articulator (typically some part of the tongue) and a passive (stationary) articulator (typically some part of the roof of the mouth).

(rail transport) a stretch of railway track that does not have any junctions, crossovers or points on it.

(rail transport) to remove points and crossovers from a stretch of track.

To plate a metal with a layer of chromium

To order something; to submit an order for a product.

A metal plate affixed to a doorjamb that holds the door closed when the door bolt is extended into a hole, protecting the jamb against friction from the bolt.

(geology) The plane, or surface formed between the two rock blocks that slip one with the other during an earthquake. The edge of the fault plane can often be seen on the land as a fault line.