noun🔗ShareДиатомеяAny of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta."The scientist studied the intricate, glass-like shell of the diatom under a microscope. "Ученый изучал сложную, стекловидную оболочку диатомеи под микроскопом.organismnaturebiologyplantmicroorganismecologyoceanenvironmentscienceChat with AIVocabulary GamePractice Reading