waste matter
Học thuậtThân thiện
Definition
Noun: * Unwanted or unusable materials: Substances or objects that are discarded because they are no longer needed or useful. This term broadly refers to the byproducts of human activity that require disposal.
Usage
- "Waste matter" is a general, formal term for discarded materials. It is often used in scientific, environmental, and technical contexts.
- It functions as a non-count noun (uncountable noun). You do not typically say "a waste matter" or "waste matters."
- It is commonly followed by verbs like , , , , and .
Examples
- The primary function of the kidneys is to filter waste matter from the blood.
- Modern cities must develop efficient systems for managing household waste matter.
- The factory was fined for improperly discharging industrial waste matter into the river.
- Composting is an excellent way to recycle organic waste matter into nutrient-rich soil.
Advanced Usage
- "Liquid/Solid waste matter": These phrases specify the physical state of the discarded material.
- The treatment plant separates liquid waste matter from solid sludge.
- "Metabolic waste matter": A biological term for substances produced by the body's chemical processes that must be eliminated.
- Urea is a form of metabolic waste matter excreted in urine.
Variants and Related Words
- Waste (n.): A more common and slightly less formal synonym.
- Household waste, industrial waste.
- Waste material (n.): A term with identical meaning, often used interchangeably.
- The sculpture was made from recycled waste material.
- Refuse (n.): A formal term for household waste or trash.
- Refuse collection.
- Effluent (n.): Treated or untreated liquid waste, especially from industrial processes.
- Sewage (n.): Waste matter and wastewater conveyed in sewers.
Synonyms
- Refuse
- Garbage
- Trash
- Rubbish (chiefly British English)
- Debris
- Scrap
- Offal (specifically for waste parts of a butchered animal)
Related Phrases
- Waste disposal: The process of getting rid of waste matter.
- Proper waste disposal is crucial for public health.
- Waste management: The comprehensive handling of waste matter from its creation to its final disposal.
- She works in the field of waste management.
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