primary rainbow

noun

Definition of primary rainbow

: a rainbow in which the effective rays are refracted on entering each drop, reflected from its interior surface, and refracted again on emerging to pass to the observer's eye and in which the red is seen on the outside edge of the bow

Learn More About primary rainbow

Dictionary Entries Near primary rainbow

primary quill

primary rainbow

primary ray

Statistics for primary rainbow

Cite this Entry

“Primary rainbow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primary%20rainbow. Accessed 27 May. 2022.

Style: MLA

MLA