sinter

/ˈsɪntər/
verb
  1. To cause (a powdered material) to form a solid mass by heating without melting.
    • They sinter the glass powder in a kiln to produce decorative vases.
    • The factory sinters metal powders to make durable machine parts.
    • Engineers sinter ceramic particles to create strong tiles for spacecraft.
Antonyms
noun
  1. A solid mass formed by heating a powder without melting it completely.
    • Geologists studied the natural sinter deposits near the hot spring.
    • The sinter from the furnace was used to build a new alloy.
    • The lab produced a dense sinter for testing its strength.