mitochondrion

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌmaɪtəʊˈkɒndrɪən/US:USA pronunciation: respellingUSA pronunciation: respelling(mī′tə kon′drē ən)

Inflections of 'mitochondrion' (n): npl: mitochondria

WordReference Random House Unabridged Dictionary of American English © 2026
mi•to•chon•dri•on  (mī′tə kon′drē ən),USA pronunciation n., pl. -dri•a (-drē ə).USA pronunciation [Cell Biol.]
  1. Cell Biologyan organelle in the cytoplasm of cells that functions in energy production. See diag. under cell. 
  • Greek míto(s) thread + chóndrion small grain, equivalent. to chóndr(os) grain, corn + -ion diminutive suffix
  • 1900–05
mi′to•chon′dri•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
mitochondrion /ˌmaɪtəʊˈkɒndrɪən/ n ( pl -dria /-drɪə/)
  1. a small spherical or rodlike body, bounded by a double membrane, in the cytoplasm of most cells: contains enzymes responsible for energy production
Etymology: 19th Century: New Latin, from Greek mitos thread + khondrion small grain
'mitochondrion' also found in these entries (note: many are not synonyms or translations):
organelle - RNA - sarcosome

Forum discussions with the word(s) "mitochondrion" in the title:


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