Definition of myofibrillar in English:

myofibrillar

Pronunciation /ˌmʌɪə(ʊ)fɪˈbrɪlə/ /ˌmʌɪə(ʊ)fʌɪˈbrɪlə/

adjective

Biology Physiology
  • Of or relating to myofibrils.

Origin

1920s; earliest use found in Quarterly Review of Biology. From myo- + fibrillar, after myofibril.