peridinian /per-i-dinˈi-ən/

A dinoflagellate

Peridinˈium noun

1. A genus of dinoflagellates
2. (without cap; pl peridinˈiums or peridinˈia) a member of the genus

• horse-breads
• horse-breaker
• horse-breakers
• horsecar
• horsecars
• horse chestnut
• horse chestnuts
• horse-cloth
• horse-cloths
• horse-collar
• horse-collars
• horse-coper
• horse-copers
• horse-couper
• horse-coupers
• horse-courser
• horse-coursers
• horsed
• horse-dealer
• horse-dealers
• horse-dealing
• horse-doctor
• horse-doctors
• mammographies
• mammographs