platinumplat‧i‧num /ˈplætənəm/ noun [uncountable] 
a platinum ring2if a music recording goes platinum, at least a million copies of it have been sold: Eight of Denver’s albums went platinum. a platinum disc
WORD ORIGINplatinum
Origin:
1800-1900 Modern Latin, Spanish platina, from plata; ➔ PLATE1EXAMPLES FROM THE CORPUS
- An outer cylinder of platinum was used as the anode, with a rod of palladium on its axis as the cathode.
- Broken Hill has a large new platinum mine there.
- Fourteen of his albums went gold and eight platinum.
- I thought if they were stars, they would be selling gold and platinum albums.
- My hair is platinum, like Gemma's but shorter, finger-curled.
- President of the Institute of Metals in 1938-40, he was awarded their platinum medal in 1941.
- There can be few facts about the history of the platinum metals which can not be found here, in attractive form.
WORD SETS
aluminium, nounargon, nounarsenic, nounbarium, nounbase metal, nounbismuth, nouncadmium, nouncaesium, nouncalcium, nouncarbon, nounchlorine, nounchromium, nouncobalt, nouncopper, nounferrous, adjectivegold, noungold, adjectivegolden, adjectivehalogen, nounhydro-, prefixhydrogen, nouniodine, nouniridium, nouniron, nounisotope, nounkrypton, nounlead, nounlithium, nounmagnesium, nounmanganese, nounmercury, nounmolybdenum, nounnickel, nounnitrogen, nounoxygen, nounphosphorus, nounplatinum, nounplutonium, nounpotassium, nounprecious metal, nounradium, nounradon, nounselenium, nounsilicon, nounsilver, nounsilver, adjectivesodium, nounstrontium, nountin, nountin, adjectivetitanium, nountrace element, nountungsten, nounuranium, nounxenon, nounzinc, noun
COLLOCATIONS FROM THE ENTRY Eight of Denver’s albums went platinum. a platinum discCOLLOCATIONS FROM THE CORPUSNOUN
1a silver-grey metal that does not change colour or lose its brightness, and is used in making expensive jewellery and in industry. It is a chemical element: symbol Pt: Eight of Denver’s albums went platinum. a platinum disc· This programme aims to use platinum group metal coatings for high temperature corrosion protection.
VERB· Twenty four of his albums have gone platinum.· Main Course went platinum and generated amazing amounts of black radio play.· Fourteen of his albums went gold and eight platinum.
a platinum ring2if a music recording goes platinum, at least a million copies of it have been sold: Eight of Denver’s albums went platinum. a platinum disc