The most common and most likely answer to this crossword clue is the 7 letter word SCORIAE which also is the latest solution we found used in New York Times in 1972.
Waste materials crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| SCORIAE | 100 % | 7 | 
Words with a meaning similar to the clue: Waste materials
These words may or may not be a possible solution to this crosswords clue.- waste
 - waste matter
 - waste product
 - waste water
 - wastefulness
 - toxic waste
 - recyclables
 - waste pipe
 - landfills
 - trash dump
 - garbage dump
 - littering
 
Crossword Answer definitions
SCORIAE noun- The slag or dross that remains after the smelting of metal from an ore.
 - Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution