platinum
Appearance
Pronunciation
[change]- (UK) IPA (key): /ˈplætɪnəm/
- (US) IPA (key): /ˈplætənəm/ or /ˈplætnəm/
Audio (UK) (file) Audio (US) (file) - Hyphenation: plat‧i‧num
Noun
[change]- (uncountable) Platinum is an element of the periodic table with the atomic number 78. Its symbol is Pt.
- (uncountable) Platinum is also the silver-grey metal made of platinum atoms.
- With a density of 21,4, platinum is one of the densest materials known to Earth.
- (countable) Atom of the element platinum.
- (uncountable) Platinum is the silver-grey color of the metal.
- (countable); (music) A platinum is a musical recording that has sold over one million copies (for singles), or two million (for albums)
Adjective
[change]
Positive |
Comparative |
Superlative |
- Something platinum has the silver-grey color of the metal.
- She has always had her strange platinum hair.
The Periodic Table | |||||||||||||||||||||||||||||||||||||||||
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H | He | ||||||||||||||||||||||||||||||||||||||||
Li | Be | B | C | N | O | F | Ne | ||||||||||||||||||||||||||||||||||
Na | Mg | Al | Si | P | S | Cl | Ar | ||||||||||||||||||||||||||||||||||
K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr | ||||||||||||||||||||||||
Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe | ||||||||||||||||||||||||
Cs | Ba | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn | ||||||||||
Fr | Ra | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og | ||||||||||
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