effervesce

Kindness was ready in her mind; it but lacked the touch of an occasion to effervesce and crystallise.

A wineglass of the cream to a tumbler of water, with sufficient carbonate of soda to make it effervesce.

The Froh theme, too, is a trifle flat: it does not effervesce or sparkle: the "dewy splendour" of the Valkyrie music is not on it.

Before using, it should be treated with dilute hydrochloric acid until it does not effervesce any more.

A wine-glass of the cream to a tumbler of water, with sufficient carbonate of soda to make it effervesce.