[ ˌmʌɪtə(ʊ)'kɒndrɪən ]
■ noun ( plural mitochondria -rɪə ) Biology a structure found in large numbers in most cells, in which respiration and energy production occur.
Derivatives
mitochondrial adjective
Origin
early 20th cent.: mod. L., from Gk mitos 'thread' + khondrion (dimin. of khondros 'granule').