polyamide

plural polyamides

1. chemistryAny of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon.

   1 more example

   For eons, the debris has contained the same things — flecks from plant and animal carcasses, feces, mucus, dust, microbes, viruses — and transported the ocean’s carbon to be stored on the seafloor. Increasingly, however, marine snowfall is being infiltrated by microplastics: fibers and fragments of polyamide, polyethylene and polyethylene terephthalate. And this fauxfall appears to be altering our planet’s ancient cooling process.

   2022 April 3, Sabrina Imbler, “In the Ocean, It’s Snowing Microplastics”, in The New York Times, →ISSN, archived from the original on 05 Apr 2022