rain·bow n
1. an arc of light separated into bands of color that appears when the sun’s rays are refracted and reflected by drops of mist or rain.
Also called bow
2. a multicolored arc similar to a rainbow
3. an arrangement, display, or sight containing many bright colors or bright multicolored objects
4. a goal, hope, or ideal that is unlikely to be achieved or realized
5. a wide range or varied assortment of things, usually coexisting without clashing
adj
1. having the colors of the rainbow or colors as varied as those of a rainbow
2. comprising a wide variety of types or elements, especially made up of people of different ethnic groups or from a variety of minority groups
pen·e·tra·tion n
1. the action of penetrating, entering, or passing through something
2. the ability or power to penetrate, enter, or pass through something
3. the ability to understand or perceive something
4. an attack that succeeds in penetrating an enemy’s territory or defenses
5. a measure of the depth a projectile reaches beneath the surface of its target
6. the extent to which a commercial product or service is recognized or bought in a particular market
7. the insertion of the penis into a vagina or anus
