This is the source of the frothiness you observed.

The literary allusions throughout add a sense of fun and frothiness.

I liked the feel of the cup and the frothiness of the dark chocolate.

The egg white sounds odd, but it adds a lovely frothiness.

But it has a light frothiness and a gaiety that will leave you smiling if not laughing.

It was the seventies, and the frothiness of the previous decade had subsided.

But frothiness is a private pleasure, generally reserved for transatlantic flights.

Rather, it was a frothy sort of thing, but solid and without any foolishness about its frothiness.

Now the Federal Reserve chairman says he can glimpse similar frothiness in housing prices.

He raised concerns about the "frothiness" in Asian markets as early as April 1997.

However, he added that it's as if Perry is "determined to balance the summer frothiness with a few shots of 'adult' earnestness".

The temporary measures will be reversed when "the frothiness lifts," Mr. Chapel said.

Champagne, Mr. Boyer explained, retains a bit of its frothiness when cooked.

When did frothiness fully unseat irrational exuberance?

I suspect that NaOH is a little bit "soapy" and encourages the frothiness you described.

"Given the frothiness we have seen recently, a 5 percent correction might not be a bad thing," said one block trader, who spoke on the condition of anonymity.

What distinguishes "Infamous" from last year's "Capote," the film with which it is inevitably being compared, is its sustained frothiness of tone.

This prized foam would have won some fans at the Aztec court, where what distinguished one hot chocolate from another was not just the flavor, but the frothiness.

In a variation of sorts on "Brief Encounter," a forced frothiness permeates the lovers' furtive meeting in a cafe at a railroad station.

Activity of the larvae causes fermentation and a frothiness in the honey; the honey develops a characteristic odor of decaying oranges.

This eye-catcher is cherished as a gift, and it lasts bringing with it the frothiness of liberation from routine pains, hardships and vanities.

The Gilbert Stuart is an exquisite portrait of a well-bred little girl, painted with all the silken frothiness of Joshua Reynolds.

For example, participants were shown samples of pure, unalloyed copper and silver, normally soft metals, that had been made nearly as hard as iron by altering the frothiness of their microscopic structures.

The frothiness or "mousse" of the sparkler, along with the average size and consistency of the bubbles, can vary depending on the quality of the sparkler and the type of glass used.