The echelle gratings are used in spectroscopy to disperse light into its component wavelengths.

Diffraction gratings are used in various scientific and technological applications.

I ordered a delicious gratinee at the French restaurant.

I love to gratinee my mac and cheese with breadcrumbs.

I am gratinéeing the potatoes in the oven.

The chef gratinéed the potatoes in the oven.

Her constant complaining and whining was a gratingness that I couldn't stand.

I gratineed the potatoes in the oven.

I am gratineeing the potatoes for dinner.

I ordered two gratinees for dinner.