noun🔗ShareOmmatidioOne of the conical substructures which make up the eyes of invertebrates with compound eyes."A fly's compound eye is made up of many individual units, each called an ommatidium, that work together to see the world. "El ojo compuesto de una mosca está formado por muchas unidades individuales, cada una llamada ommatidio, que trabajan juntas para ver el mundo.organanimalinsectbiologyanatomypartChat with AIVocabulary GamePractice Reading