ミトコンドリアみとこんどりあCommon wordFreq.FrequencyTop 50,000Meanings1nounmitochondriaBiological term for the organelle that produces energy in cells. Used in scientific and educational contexts.ミトコンドリアは細さい胞ぼうのエネルギー工こう場じょうと呼よばれている。Mitochondria are called the powerhouses of the cell.