a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
"The jeweler confirmed that the ring's band was made of genuine platinum, a durable metal prized for its resistance to tarnish."
The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value.
"The jeweler tested the ring to ensure it was made of pure platinum before setting the diamond in place."
In plain English: Platinum is a shiny, rare metal that looks very similar to silver but is much more valuable and durable.
"The singer wore a platinum necklace to the red carpet event."
Usage: Use the word platinum to refer specifically to the precious white metal used in jewelry or industrial alloys, rather than as a synonym for any expensive material. Do not use it to describe high quality in general terms when referring to non-metallic objects.
to reach platinum level in a game
"She finally unlocked the platinum trophy after spending three hundred hours grinding through every secret mission."
In plain English: To platinum means to turn something into a shiny, valuable metal through a chemical process.
"The concert was so packed that platinum fans stood outside for hours just to get in."
Usage: Use "platinum" as a verb informally when describing the action of achieving a specific high-level status or rank within a video game. This usage implies reaching an elite tier that requires significant skill or progress, though it remains non-standard outside gaming communities.
Of a whitish grey colour, like that of the metal.
"The newly painted car had a sleek platinum finish that caught the sunlight beautifully."
In plain English: Platinum describes something that is extremely valuable, rare, and high quality.
"The singer performed on stage wearing a platinum crown."
Usage: Use platinum as an adjective to describe something having a bright, shiny white-gray hue similar to the precious metal, often seen in jewelry or high-quality paints. Avoid using it to mean valuable or rare unless specifically referring to its monetary worth rather than its visual appearance.
Platinum comes from Spanish platina, meaning "little silver," which referred to the metal's status as an impurity found within gold. The name also includes a reference to the Pinto River in present-day Colombia, where Europeans first encountered Native Americans mining it.