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

• AHA
• a hair of the dog
• a hall, a hall
• a handle to one's name
• a hard nut to crack
• a hard row to hoe
• ahead
• ahead of one's time
• ahead of the game
• ahead of time
• aheap
• ahed
• aheight
• ahem
• ahent
• ahi
• assurer
• assurers
• assures
• assurgencies
• assurgency
• assurgent
• assuring
• asswage
• Assyrian