stomate
/ˈstoʊmeɪt, ˈstoʊmeɪt, ˈstoʊmeɪt/Definitions
1. noun
A stomate, especially one in a leaf, is a small opening for gas exchange.
“The stomates on the plant’s leaves allowed for optimal air circulation.”
2. verb
To form or have stomates, especially on a leaf.
“The new plantlet began to stomate, allowing it to breathe more efficiently.”