Definitions

1. noun

A type of cell in plants that contains and stores special chemicals, such as tannins or alkaloids, which have specific functions in plant defense and protection.

“The idioblasts in the plant’s leaves produced a chemical that repelled insects and other pests.”

2. noun

A specialized cell in an animal body that has a specific function, such as storing or releasing chemicals.

“The idioblasts in the insect’s exoskeleton stored and released chemicals to defend against predators.”