Polyalloy

A polyalloy was a material used in structures which need to withstand extreme stress. Data's upper spinal support was made from a polyalloy. 

In 2372, an alien probe composed primarily of duritanium polyalloy was destroyed by the Cardassian ATR-4107. 

The Nausicaan disruptor pistol used polyalloy casing to render the weapon all but invisible to security screeners. 

Poli-lega