Microplastics

"Microplastics" in a Sentence (10 examples)

Microplastics are microscopic particles of plastic debris that pollute the oceans.

Microplastics are destroying the world's oceans.

Microplastics are small plastic pieces less than five millimeters long which can be harmful to our ocean and aquatic life.

Plastic debris can come in all shapes and sizes, but those that are less than five millimeters in length (or about the size of a sesame seed) are called “microplastics.”

Microplastics — the remnants of plastic bags, takeout containers and straws that almost-but-not-quite disintegrate in the oceans — are found in 3 out of 4 fish, such as squid, cuttlefish and swordfish in markets around the world.

The youth-led Sea Youth Rise Up advocates for ocean conservation, including reduced single-use plastics such as plastic straws, water bottles and shopping bags, which the ocean breaks down into microplastics.

Microplastics are microscopic and smaller than plankton, a popular food choice of larger marine life.

Because microplastics can’t be digested, they build up in the fish that consume them.

The ocean is polluted by microplastics.

Every year, around 12 million tons of plastic waste are dumped into the world’s oceans – polluting the water, killing wildlife, and creating microplastics that enter the food chain.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.