noun Descargar 🔗Compartir Diatomeas Any of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta. Examples : "Microscopic diatoms in the ocean produce a large portion of the Earth's oxygen. " Las diatomeas microscópicas en el océano producen una gran parte del oxígeno de la Tierra. organism biology microorganism plant nature environment ecology science Chat con IAJuego de vocabularioPracticar lectura