mi·to·chon·dri·on
noun/ˌmaɪtəʊˈkɒndriən/
/ˌmaɪtəʊˈkɑːndriən/
(plural mitochondria
(biology)/ˌmaɪtəʊˈkɒndriə/
/ˌmaɪtəʊˈkɑːndriə/
)- a small part found in most cells, in which the energy in food is released
（细胞内的）线粒体，粒线体 Word Originearly 20th cent.: modern Latin, from Greek mitos ‘thread’ + khondrion (diminutive of khondros ‘granule’).