1. To break into violent chemical action.
2. To give off bubbles of gas; especially, as the result of chemical action; to bubble.
3. Of the gas itself; to issue fort in bubbles.
4. To stir up, excite, exhilarate.

The action of bubbling up as if boiling; the tumultuous rise of bubbles of gas from a fluid; especially, as the result of chemical action (without necessarily implying heat).

That which has the property of rising in bubbles.

Capable of producing effervescence; ready to effervesce; becoming heated, excited.

That which effervesces.

In an effervescing manner, sparklingly.

Tending to or characterized by effervescence.

1. Originally, leaven or yeast; hence, generally an agent that causes fermentation. Modern chemists recognize two classes of ferments: organized ferments, which are living vegetable organisms, as the yeast plant and other microscopic fungi; and unorganized or chemical ferments, which are certain compounds of organic origin, as diastase, pepsin, etc. (now replaced in scientific use by enzyme).
2. Agitation, excitement, tumult; a figurative form of "fermentation"; to work up into a ferment or agitation; to excite, stir up; to exacerbate, to foment, to inflame.
3. To undergo the action of a ferment; to suffer fermentation; to "work".

Capable of being fermented; capable of causing fermentation.

A name applied in reproach by Latin Christians to those of the Greek church, as using fermented bread in the Eucharist.

1. A process of the nature of that which results from the operation of leaven on dough or on saccharine liquids.

The features superficially recognizable in the process in these instances are an effervescence or internal commotion, with evolution of heat, in the substance operated on, and a resulting alteration of its properties. Before the rise of modern chemistry, the term was applied to all chemical changes exhibiting these characters; in Alchemy, it was the name of an internal change supposed to be produced in metals by a "ferment", operating after the manner of leaven. In modern science the name is restricted to a definite class of chemical changes peculiar to organic compounds, and produced in them by the stimulus of a "ferment".

2. The state of being excited by emotion or passion; agitation, excitement, working. Sometimes (with a more complete metaphor); a state of agitation tending to bring about a purer, more wholesome, or more stable condition of things.

A reference to a disease that is produced by some morbific principle or organism acting on the system like a ferment.

A reference to a liquor that has been through the process of fermentation; also, a reference to leavened bread (leaven is a substance; such as, yeast or cream of tartar, that is added to batters and doughs to produce fermentation to make the bread rise so it is light or lighter).

1. Hot, burning, glowing, boiling.
2. Of persons, their passions, dispositions, or actions; ardent, intensely earnest. From 17th century almost exclusively with reference to love or hatred, zeal, devotion or aspiration.
3. Now rare: Of conflict, uproar, formerly also of pestilence, a wild beast, etc.; hot, fierce, raging.

With warmth of feeling; ardently, earnestly, hotly, passionately. Now rare except in expressions of love, desire, prayer, etc.

An increase in body temperature above normal; a fever.

Growing hot.

1. Intensely fervent or zealous; impassioned.
2. Extremely hot; burning, glowing.

Done with intense fervency or zealousness.

1. Intensity of emotion; ardor.
2. Warmth or glow of feeling, passion, vehemence, intense zeal; and instance of the same.
3. Intense heat, glowing condition.

Chiefly the British spelling variation of fervor.