| CONSTANTAN | An alloy of copper and nickel with high electrical resistance (10) |
| HUMANKIND | The race of homo sapiens coming from UK and NI with Her Majesty (9) |
| METAL | Any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light. |
| BARGAIN | Steal nickel with a snatch to the left (7) |
| COBALT | Metal element found as a by-product of copper and nickel mining (6) |
| PECUNIARY | American explorer carries copper and nickel in monetary form |
| BRASS | Originally, any alloy of copper with tin or zinc, now an alloy of copper and zinc only (5) |
| BRONZE | An alloy of copper and tin used by Lorenzo Ghiberti to make the doors of the Florence Baptistery and also by Andrea del Verrocchio and Donatello in notable equestrian sculptures (6) |
| TAMBAC | An alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding. |
| TOMBAC | An alloy of copper and zinc (and sometimes arsenic) used to imitate gold in cheap jewelry and for gilding. |
| ZINC | Brass is an alloy of copper and ___. (4) |
| OROIDE | An alloy of copper and zinc or tin, etc, imitating gold (6) |
| GUNMETAL | An alloy of copper and tin or zinc once used in making cannons (3-5) |
| PINCHBECK | An alloy of copper and zinc used as imitation gold |
| INVAR | An alloy of iron and nickel that expands very little when heated (5) |
| PEWTER | An alloy of tin with antimony and copper, formerly lead; a beer tankard, jug, plate etc made of said metal; its bluish-grey colour; or, old slang for prize money (6) |
| CHROMIUM | This metal, whose chemical symbol is Cr, is added to iron and nickel to produce alloys specially characterized by their high resistance to corrosion and oxidation. This resistance accounts for its ext |
| STEEL | An alloy of iron with small amounts of carbon (5) |
| ELECTRUM | An alloy of gold and silver, once used in coinage and jewellery (8) |
| NITINOL | An alloy of nickel and titanium (7) |