refractive index
/rɪ'fræktɪv_'ɪndɛks/
noun
15 letters4 syllables31 points in Scrabble®34 points in WWF®
DEFINITIONS1
NOUN
1
The ratio of the velocity of light in a vacuum to that in a medium.
WORD FORMS
Starts withR
Ends withX
GAME SCORES
Scrabble®31 points
Words With Friends®34 points
Double word62 points
Triple word93 points
GOOD TO KNOW
Starts & ends withR … X
Syllablesre · frac · tive in · dex
SYNONYMS & RELATED1
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