̷ ̷ˌ ̷ ̷ ̷ ̷əˈnelə noun
Etymology: New Latin, from Greek asterion (neuter of asterios starry) + New Latin -ella
1. capitalized : a small genus of narrowly linear diatoms (family Fragilariaceae) arranged in stellate free-floating colonies and often causing geraniumlike or fishy odors in public water supplies
2. -s : a diatom of the genus Asterionella