plastid

plural plastids

1. biologyAny of various organelles found in the cells of plants and algae, often used for photosynthesis.

   All plants on Earth contain plastids, a basic photosynthetic engine. And plastids can be traced back to that one event some 1.5 billion years ago, when a single-celled organism merged with a photosynthetic bacterium.

   2026 September 26, Carolyn Y. Johnson, “In an $80 Motel Room, a Discovery to Shed Light on the Origins of Life”, in The New York Times, →ISSN

   Synonyms: plastidium