/ˈɡʊtʊl/ (GU-tuul)

Definitions

1. noun

A small bubble of air or gas in a liquid, especially in wine or beer.

“The sommelier pointed out a guttule in the glass of champagne, which affected the flavor of the drink.”

2. noun

A small globule of anything.

“The tiny guttule of oil on the surface of the water reflected the sunlight, creating a miniature rainbow.”