article
Blog
settings
Settings
favorite_border
Donate
search
arrow_forward
ดรรชนี
หักเห
favorite_border
dàt-chá-nee hàk hăy
[ ดัด-ชะ-นี หัก เห ]
Obscure
Rare
Everyday
Our take
Safe to skip for now
Noun
refractive index
,
index of refraction
Components
2
ดรรชนี
dàt-chá-nee
index
,
list
Occasional
Not a priority to learn
หักเห
hàk hăy
to refract
Occasional
Not a priority to learn
expand_more