noun🔗ShareDiatoméesAny of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta."Microscopic diatoms in the ocean produce a large portion of the Earth's oxygen. "Les diatomées microscopiques de l'océan produisent une grande partie de l'oxygène de la Terre.organismbiologymicroorganismplantnatureenvironmentecologyscienceChat with AIVocabulary GamePractice Reading
