biohazard
gb/bˌaɪoʊhˈæzɚd/ us/bˌaɪoʊhˈæzɚd/
C1
Inglês
Acepções
0 acepção
Substantivo
C1
entity
1
Dangerous biological material
A biological thing, such as blood, bacteria, or medical waste, that could make people sick.
Padrão de uso:
[something] is a biohazard; [something] poses a biohazard; treat [something] as a biohazard
Erro comum:
Do not use biohazard for any dangerous object; it specifically involves biological material or contamination.
Sinônimos
biological hazard (more explicit and slightly more formal)
|
health hazard (broader; may include non-biological dangers)
|
contaminant (focuses on the harmful substance rather than the danger it creates)
Antônimos
nonhazardous material (material not considered dangerous)
|
safe material (general opposite; not dangerous to handle)
Colocações
a potential biohazard
|a serious biohazard
|pose a biohazard
|treat something as a biohazard
|biohazard material
|biohazard waste
|biohazard bag
|biohazard container
|biohazard symbol
|biohazard warning label
Temas
health
|safety
|medicine
|science
|environment
Exemplos
- Used needles must be treated as a biohazard and placed in a special container.
- The lab was closed after inspectors found a possible biohazard in the storage area.
- Floodwater mixed with sewage can quickly become a serious biohazard.
Exemplos para estudantes
- Blood on the floor may be a biohazard.
- The hospital puts biohazards in red bags.
Substantivo
informal
C1
entity
2
Filthy unsanitary mess
A very dirty place or thing that seems unhealthy or disgusting.
Padrão de uso:
[place/thing] is a biohazard
Erro comum:
This informal use is exaggerated; it does not always mean there is a real biological danger.
Sinônimos
health hazard (can be serious or joking; broader than biohazard)
|
toxic mess (informal and exaggerated)
|
disaster area (emphasizes messiness more than uncleanness)
Antônimos
clean space (a place that is clean rather than filthy)
|
sanitary environment (formal opposite; clean and safe for health)
Colocações
a total biohazard
|an absolute biohazard
|a walking biohazard
|the fridge is a biohazard
|a biohazard of a room
|look like a biohazard
Temas
daily_life
|humor
|cleanliness
|health
Exemplos
- Clean out the fridge before it turns into a biohazard.
- After the party, the kitchen was basically a biohazard.
- His gym bag smelled like a biohazard.
Exemplos para estudantes
- My room is a biohazard right now.
- That old food is a biohazard.
Gramática
Forma no dicionário
biohazard
AFI
GB/bˌaɪoʊhˈæzɚd/
US/bˌaɪoʊhˈæzɚd/
Sílabas e tonicidade
bio - haz - ard (3 sílabas)
Stress on 2nd syllable (haz)
Formas da palavra
Noun
- Base: biohazard
- Plural: biohazards
Expressões
biohazard bag
1/bˌaɪoʊhˈæzɚd bˈæɡ/
fixed phrase
Bag for infectious waste
A marked bag for medical or biological waste that may be dangerous.
Exemplos
- The technician sealed the sample tubes inside a biohazard bag.
- Please put the contaminated gloves in the biohazard bag by the door.
- Red biohazard bags are used for waste that may contain blood or other infectious material.
biohazard cleanup
1/bˌaɪoʊhˈæzɚd klˈinˌʌp/
fixed phrase
Cleaning biological contamination
Special cleaning for places with blood, sewage, or other biological dangers.
Exemplos
- The landlord hired a biohazard cleanup company after the sewage backup.
- Police advised the family not to enter the room until biohazard cleanup was complete.
- Biohazard cleanup crews wear protective equipment while removing contaminated materials.
biohazard container
1/bˌaɪoʊhˈæzɚd kəntˈeɪnɚ/
fixed phrase
Container for hazardous biowaste
A special box or bin for dangerous medical or biological waste.
Exemplos
- Used syringes should go directly into a biohazard container.
- The lab keeps a biohazard container next to every workbench.
- The container must stay closed except when staff are adding waste.
biohazard label
1/bˌaɪoʊhˈæzɚd lˈeɪbəl/
fixed phrase
Label warning of biohazards
A warning label for something that may contain dangerous biological material.
Exemplos
- Each sample box must have a biohazard label before it leaves the lab.
- The courier refused the package because the biohazard label was missing.
- Biohazard labels help workers identify materials that require special handling.
biohazard suit
1/bˌaɪoʊhˈæzɚd sˈut/
fixed phrase
Protective contamination suit
A full protective suit that helps keep dangerous germs or contamination away from the body.
Exemplos
- Researchers wore biohazard suits while working with the virus samples.
- The cleanup crew entered the building in biohazard suits and respirators.
- A biohazard suit protects the wearer from contact with infectious material.
biohazard symbol
1/bˌaɪoʊhˈæzɚd sˈɪmbəl/
fixed phrase
Biological danger warning sign
A sign that warns people about dangerous biological material.
Exemplos
- The container was marked with a bright orange biohazard symbol.
- Anyone who sees the biohazard symbol should avoid opening the package.
- The biohazard symbol is common on medical waste bins.
biohazard waste
1/bˌaɪoʊhˈæzɚd wˈeɪst/
fixed phrase
technical
Dangerous biological waste
Medical or lab waste that could spread disease and needs special disposal.
Exemplos
- The clinic pays a licensed company to remove its biohazard waste.
- Gloves and blood-soaked bandages were placed with the biohazard waste.
- Improper disposal of biohazard waste can put cleaners and sanitation workers at risk.