mitochondrion
noun /ˌmaɪtəʊˈkɒndriən/
/ˌmaɪtəʊˈkɑːndriən/
(plural mitochondria
(biology) /ˌmaɪtəʊˈkɒndriə/
/ˌmaɪtəʊˈkɑːndriə/
)- a small part found in most cells, in which the energy in food is releasedTopics Biologyc2Word Originearly 20th cent.: modern Latin, from Greek mitos ‘thread’ + khondrion (diminutive of khondros ‘granule’).