microplasticとは 意味・読み方・使い方

名詞

microplastic (countable and uncountable, plural microplastics)

1. Small particles of plastic (typically less than 5 mm) produced by the degradation of plastic products, found in high levels in the marine environment and increasingly throughout all environments and in food and drinks.

   Hyponym: microbead

   • 2022 March 24, Damian Carrington, “Microplastics found in human blood for first time”, in The Guardian‎:

     Huge amounts of plastic waste are dumped in the environment and microplastics now contaminate the entire planet, from the summit of Mount Everest to the deepest oceans.

   • 2023 June 5, Yvonne Gordon, “Microplastics found in every sample of water taken during Ocean Race”, in The Guardian‎:

     Sailors testing the waters during the Ocean Race, which travels through some of the world’s most remote ocean environments, have found microplastics in every sample.

   • 2024 December 17, Lex Harvey, “Microplastics are choking our waters. Could a sponge made of squid bones help remove them?”, in CNN‎:

     “Even under a variety of policies, including plastic product reduction, waste management, and environmental recycling, microplastic pollution is irreversible and escalating.”

等位語

• macroplastic
• megaplastic
• mesoplastic
• nanoplastic

形容詞

microplastic (not comparable)

1. Exhibiting microplasticity.

Further reading

• microplastics on Wikipedia.Wikipedia