Below are possible answers for the crossword clue Rainbow.
3 letter answer(s) to rainbow
ARC
a continuous portion of a circle
electrical conduction through a gas in an applied electric field
form an arch or curve; "her back arches"; "her hips curve nicely"
something curved in shape
4 letter answer(s) to rainbow
IRIS
diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
Other crossword clues with similar answers to 'Rainbow'