gold dust

• Poussière d'or, matière précieuse en très petites particules. Au sens figuré, désigne quelque chose d'extrêmement rare, précieux ou difficile à obtenir, souvent utilisé comme métaphore pour une ressource ou une opportunité très convoitée.

Something extremely rare, valuable, or difficult to obtain, often used metaphorically to describe a scarce resource or opportunity.

1. Valuable resourceB2informal

   Something that is extremely rare, valuable, or in high demand.

   Pépite d'or (au sens figuré)

   • Tickets for the final match are like gold dust.
   • In this industry, experienced engineers are gold dust.
   • Original copies of that book are gold dust among collectors.

2. Literal gold particlesB1formal

   Fine particles or powder of gold, often found in rivers or mined.

   poudre d'or

   • The prospector panned for gold dust in the stream.
   • Gold dust is collected and melted into bars.
   • The museum displayed a sample of gold dust from the mine.