Skip to main content
dross

dross

4 9.6
Waste material that forms on the surface of melted metal and is removed
  • noun
  • /drɔs/
translation icon : escoria
  • Provided the peer-review system is healthy, it will sieve out the dross and save the paydirt.

And it just becomes some kind of dross.

Examples

  • And the gold is almost impossible to separate from the dross.

  • Chinese leaders, however, wanted their students to reject the dross of Western ideology while absorbing useful techniques from the West.

    Academic text (1999)
  • Perhaps this time your computer promotion system has found platinum in a sea of dross.

    Fiction book (1992)
  • We have been honed in battle; the dross has been stripped away, leaving Spirit.

    Fiction book (1997)
  • Just like reading all this stuff and sorting out the diamonds from the dross.

    Blog text (34)
  • The correct attitude is to inherit the essence and discard the dross.

    Academic text (1995)
  • Meg Urry of the Space Telescope Science Institute said it's better to accept dross than to risk rejecting brilliance.

    Academic text (1995)
  • During the refining process, the workers removed the dross from the molten metal to purify it.

  • The pot of melted gold produced a layer of dross that needed to be skimmed off for quality.

  • As he examined the jewelry, he noted that some pieces contained small amounts of dross from the casting process.

Synonyms

waste
vsdross
536 1.0

Material that people throw away after use, like food or packaging

is a narrower term for residue separated from valuable substances
trash
vsdross
  • US
444 1.0

Things people throw away because they are unwanted

is a specific separated residue from processing, not general refuse
garbage
vsdross
  • US
296 1.0

Unwanted food and other waste from a home or kitchen that you throw away

is not food or kitchen refuse but residue from material refining
sludge
vsdross
30 4.8

A thick, wet, muddy substance that comes from dirty water

is typically drier solid residue separated during metal work
scum
vsdross
24 4.2

A dirty layer that floats on the surface of water

is similar but refers to removed residue from metal processing as well
rubbish
vsdross
  • UK
22 1.0

Things people throw away because they are not wanted

is a technical removed residue rather than ordinary household waste
impurity
vsdross
19 5.1

A small unwanted substance in a material that can make it unsafe

is the separated unwanted material rather than a mixed contaminant
slag
vsdross
  • Specialized
18 9.5

A hard, stony waste left when metals are melted and cleaned

is broader, including softer surface scum as well as stony waste
detritus
vsdross
9 8.2

Loose bits of waste and broken things left after damage or natural events

is specifically waste separated from valuable material during processing
waste material
vsdross
2 2.6

Things like old or broken items that are thrown away

is the specific separated residue from refining rather than general trash
cruft
vsdross
1 8.7

Unwanted old things or junk that make a place messy

is industrially separated waste, not household clutter or old goods
drek
vsdross
  • Offensive
1 9.9

Something of very low quality that you throw away

refers to a physical separated residue from refining rather than poor quality
scoria
vsdross
  • Specialized
9.9

A layer of waste and glass that forms on the surface of melted metal

is more general, covering any unwanted material separated during refining
offscouring
vsdross
  • Archaic
9.9

Dirt and waste removed when you clean something

is similar but used for residue removed during metal refining
waste matter
vsdross
1.9

Things people throw away because they are not useful

focuses on removed residue from processing rather than general waste

Antonyms

676 1.1

Valuable items like gold or jewels that people keep

How Valuable

metal
78 1.2
ore
  • Specialized
63 3.7
scrap
179 2.1
dross
4 9.6

Surface Forms

dross singular
drosses plural

Etymology

Dross comes from an old English word drōs that meant 'rubbish' or 'scum' and was used for the dirty layer that forms on top of melted metal, which workers skim off. So, dross today means the waste or unwanted material separated from something valuable.