Definition of platinum
1 : a precious grayish-white noncorroding ductile malleable heavy metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys — see element table
2 : a moderate gray
Recent Examples of platinum from the Web
Chop all her hair off and then bleach it platinum blonde.
While in other Ford models the top-flight luxury versions wear similar Platinum nomenclature, this Titanium is the second-most-expensive Edge, short of the more powerful and expressive Edge Sport.
Salt-N-Pepa are the only female rap group to sell more than 1 million copies and go platinum.
Shocks of platinum blond hair peeked out from under his black baseball cap as Bordner went to take a seat in the dugout.
The platinum couple, who recently celebrated their ninth wedding anniversary — gift: pottery — has yet to officially comment.
Nas has released several platinum records and received multiple Grammy nominations.
A chemical micromotor would use a catalyst like platinum or silver within the motor to react with the liquids surrounding it.
Colors range from platinum to a limited-edition blue lapis.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'platinum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Definition of platinum
: qualifying for a platinum record
: to have enough sales to qualify for a platinum record
First Known Use of platinum
PLATINUM Defined for English Language Learners
Definition of platinum for English Language Learners
: a heavy, silver-colored metal that is difficult to melt and that is used especially in expensive jewelry
PLATINUM Defined for Kids
Definition of platinum for Students
: a heavy grayish white metallic chemical element
Medical Definition of platinum
: a heavy precious grayish white noncorroding ductile malleable metallic element that fuses with difficulty and is used especially in chemical ware and apparatus, as a catalyst, and in dental and jewelry alloys—symbol Pt; see element table
Seen and Heard
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