1. most resembling or containing slag (waste matter from metal smelting)
Usage: technical

Examples

• The slaggiest portion of the ore was discarded at the processing plant.
• Workers avoided the slaggiest areas of the foundry floor.
• The metallurgist identified the slaggiest samples for further analysis.
• Among all the waste materials, this batch was the slaggiest.
• The slaggiest byproducts were separated for proper disposal.