noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Relatively large particles of plastic found especially in the marine environment (typically more than about 5 mm) countable, uncountable
2. 2
   A conspicuous amount of plastic which is ingested into, or present inside one's body, in addition to microplastics. Internet, countable, humorous, in-plural, uncountable

Etymology

From macro- + plastic.

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