chiết suất
Learn more
After looking up a meaning, choose a textbook or practice activity to keep learning Vietnamese.
Learn letters and pronunciation from the beginning
Open the 10days courseA ten-day introductory course. Open the cover to start learning or continue where you left off.
Learn conversation through a story
Read about “Tết, the Third Time”A textbook that teaches conversation through a family story. It is being prepared; see its content and release status.
Practise words and sounds in short activities
Choose from the practice listChoose an activity for vocabulary, tones, listening and other skills.
Meaning
1 senses
▸
A measure of how much light slows down and bends when passing through a medium.
vi Thủy tinh có chiết suất cao hơn không khí.
en Glass has a higher refractive index than air.