bimetallic

1. not comparablePertaining to the use of gold and silver to create legal currency.

   We well suppose that a Minister needs information as to a point which involves the Navy, India, Canada and the bimetallic question.

   1908, Arthur Conan Doyle, The Adventure of the Bruce-Partington Plans, Norton, published 2005, page 1302

2. not comparableMore generally, consisting of two metals.

   "We have a special coupler that joins them together to prevent the bi-metallic corrosion you'd get if the stainless steel and the galvanised steel touched each other. […]"

   2024 May 29, Nick Brodrick, “Between a rock and a wet place...”, in RAIL, number 1010, page 43

plural bimetallics

1. Anything (especially a nanoparticle) composed of two metals

   1 more example

   Although the bimetallics that were tested, i.e., Au NPs supported on Ni, Fe and Cu appeared to be more active than the Au/SiO 2 system, only Cu supported Au NPs gave high conversion (ca. 63%) and selectivity (ca. 70%) to HYNE. Introduction Renewable naturally sourced carbohydrates, amino acids and triglycerides are available in vast quantities in our environment.

   2015 November 19, “Catalytic Gas-Phase Glycerol Processing over SiO 2 -, Cu-, Ni- and Fe- Supported Au Nanoparticles”, in PLOS ONE, →DOI