Definition of refractile in English:

refractile

adjective

Biology
  • Especially of a cell or other structure seen under a microscope: capable of refracting light passing through it.

Origin

Late 18th century; earliest use found in Robert Hooper (1773–1835), physician and medical writer. From refract + -ile.

Pronunciation

refractile

/rɪˈfraktʌɪl/