precompacted

Verb

precompact (third-person singular simple present precompacts, present participle precompacting, simple past and past participle precompacted)

1. To compact partially in preparation for full compaction or extrusion.
   • The mixture finally moves to the compaction chamber where the auger motion precompacts the mixture to remove as much void space as possible prior to extrusion through a shaped die.1994, T. S. Srivatsan, Karthik Ramani, Mamidala Ramulu, Processing, Design, and Performance of Composite Materials

See all 3 meanings of precompact