has been silvering

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of silver (3rd person singular).
  silver

  noun

  a white, ductile metallic element, used for making mirrors, coins, ornaments, table utensils, photographic chemicals, conductors, etc. Ag; 107.870; 47; 10.5 at 20°C.

Related Words

• bright
• silvery
• white