Definition of refrangibility in English:

refrangibility

noun

See refrangible

‘The system he studied was thus a simple one, comprising entities of a single kind - rays with diverse refrangibility - whose mutual interactions, such as color mixing, were purely superpositional.’
‘He discovered chromatic aberration and the selective ‘refrangibility’ of colours.’

Pronunciation

refrangibility

/rɪfran(d)ʒɪˈbɪlɪti/