Definition, Meaning & Synonyms

pili

noun

/ˈpɪli/

Definition

Pili refers to long, slender hair-like structures found on certain plants or animals.

Examples

Bacteria use pili to adhere to surfaces and facilitate the transfer of genetic material.
In certain species of plants, pili can help trap moisture from the air.

Meaning

In biology, pili are small, hair-like projections on the surface of some bacteria that help in attachment and movement. They can also refer to similar structures on the surface of certain plants.