主虹
Meanings
1
primary rainbow
Technical term for the brighter, inner rainbow with red on the outer edge and violet on the inner edge. Used in meteorology and optics.
A secondary rainbow can sometimes be seen outside the primary rainbow.
primary rainbow
Technical term for the brighter, inner rainbow with red on the outer edge and violet on the inner edge. Used in meteorology and optics.
A secondary rainbow can sometimes be seen outside the primary rainbow.