The Word

This garden universe vibrates complete
Some, we get a sound so sweet
Vibrations reach on up to become light
And then through gamma, out of sight

Between the eyes and ears there lie
The sounds of color and the light of a sigh
And to hear the sun, what a thing to believe
But it's all around if we could but perceive

To know ultra-violet, infra-red, and x-rays
Beauty to find in so many ways
Two notes of the chord, that's our full scope
But to reach the chord is our life's hope

And to name the chord is important to some
So they give it a word, and the word is...