Home 4-syllable words refractive index
DICTIONARY ENTRY 4 SYLLABLES

refractive index

/rɪ'fræktɪv_'ɪndɛks/ · rɪfræktɪvɪndɛks

Refractive index has 4 syllables: re · frac · tive in · dex.

re
01
frac
02
tive in
03
dex
04

noun. The ratio of the velocity of light in a vacuum to that in a medium.

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