platinum
Proposed by a contributor, not yet supported by evidence.
Also seen as: platinums · platinuming · platinumed
Sense 1
The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
A whitish grey colour, like that of the metal.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Of a whitish grey colour, like that of the metal.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Of a musical recording that has sold over one million copies (for singles), or two million (for albums).
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “platinum” mean?
The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value.
Is “platinum” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.