waste matter

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any materials unused and rejected as worthless or unwanted
- they collect the waste once a week
- much of the waste material is carried off in the sewers
• Syn:
waste, waste material, waste product
• Derivationally related forms:
waste (for: waste)
• Hypernyms:
material, stuff
• Hyponyms:
impurity, dross, exhaust, exhaust fumes, fumes,
body waste, excretion, excreta, excrement, excretory product, filth,
crud, skank, sewage, sewerage, effluent, wastewater,
sewer water, garbage, refuse, food waste, scraps, pollutant,
rubbish, trash, scrap, slop, toxic waste, toxic industrial waste