Meaning of optical spectrum | Babel Free
Definitions
- The colours of the rainbow.
- The distribution of colours produced when white light passes through a prism.
- The range of frequencies of visible light.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.