Background for persistent organic pollutant
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persistent organic pollutant

/pɚˈsɪstənt ɔrˈɡænɪk pəˈlutənt/ /pərˈsɪstənt ɔrˈɡænɪk pəˈlutənt/

Meanings
noun
Organic compounds, predominantly synthetic, that are resistant to environmental degradation through chemical, biological and photolytic processes, and that are often associated with health risks.

Examples :

"The pesticide DDT, a persistent organic pollutant, contaminated the soil for decades after it was banned, posing a continued risk to wildlife and potentially human health. "
environment compound substance science chemistry ecology biology

Related Words

Illustration processes

processes noun

/ˈpɹoʊsɛsiːz/ /ˈpɹəʊ̯sɛsiːz/ /ˈpɹɑsɛsɪz/

A series of events which produce a result (the product).

"The bakery uses complex processes to transform flour, sugar, and eggs into delicious cakes. "

Illustration potentially

potentially adverb

/pəˈtɛnʃ(ə)li/

In a manner showing much potential; with the possibility of happening in a given way.

"The new student is potentially a star athlete; she runs very fast and jumps high. "

Illustration persistent

persistent adjective

/pəˈsɪstənt/ /pɚˈsɪstənt/

Obstinately refusing to give up or let go.

"She has had a persistent cough for weeks."

Illustration resistant

resistant noun

/rɪˈzɪstənt/ /rəˈzɪstənt/

A person who resists; especially a member of a resistance movement.

"The student was a strong resistant, leading the group in their peaceful protest against the unfair school rules. "

Illustration predominantly

predominantly adverb

/prɪˈdɒmɪnəntli/ /prɪˈdɑːmɪnəntli/

In a predominant manner. Most commonly or frequently by a large margin.

"The membership is predominantly elderly, 90% are over age 60."

Illustration biological

biological noun

/ˌbaɪə(ʊ)ˈlɒdʒɪkəl/ /ˌbaɪəˈlɑdʒɪkəl/

A biological product.

"The school's science fair featured several different biological specimens. "

Illustration degradation

degradation noun

/ˌdɛɡɹəˈdeɪʃən/

The act of reducing in rank, character, or reputation, or of abasing; a lowering from one's standing or rank in office or society

"The teacher's harsh criticism led to a degradation of the student's self-esteem. "

Illustration contaminated

contaminated verb

/kənˈtæməˌneɪtɪd/ /kənˈtæməˌneɪɾɪd/

To make something dangerous or toxic by introducing impurities or foreign matter.

"The spilled chemicals contaminated the drinking water, making it unsafe to drink. "

Illustration associated

associated verb

/əˈsəʊsieɪtɪd/ /əˈsoʊsieɪtɪd/

To join in or form a league, union, or association.

"Our company associated with a local charity to help raise money for their programs. "

Illustration synthetic

synthetic noun

/sɪnˈθɛtɪk/

A synthetic compound.

"The scientist studied the properties of the synthetic fiber. "

Illustration environmental

environmental adjective

/ɪnˌvaɪrənˈmentəl/ /ˌenvairənˈmentəl/

Pertaining to the environment.

"The school's new policy focuses on environmental sustainability. "

Illustration compounds

compounds noun

/ˈkɑmpaʊndz/ /kəmˈpaʊndz/

An enclosure within which workers, prisoners, or soldiers are confined

""During the war, the refugees lived in guarded compounds for their safety." "