Fermentation meaning

fûrmən-tāshən, -mĕn-
Any of a group of chemical reactions induced by microorganisms or enzymes that split complex organic compounds into relatively simple substances, especially the anaerobic conversion of sugar to carbon dioxide and alcohol by yeast.
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Fermentation is defined as a process involving yeasts or other microorganisms breaking down a substance, or a state of excitement.

When grapes are crushed or transferred into a press, cultured yeast is added, and the sugars in the grapes start to convert into alcohol, this is an example of fermentation.

New Orleans during Mardi Gras is an example of a location that would be described as in a state of fermentation.

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Any of a group of chemical reactions induced by microorganisms or enzymes that split complex organic compounds into relatively simple substances, especially the anaerobic conversion of sugar to carbon dioxide and alcohol by yeast.
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(biochemistry) Any of many anaerobic biochemical reactions in which an enzyme (several enzymes produced by a microorganism) catalyses the conversion of one substance into another; especially the conversion (using yeast) of sugars to alcohol or acetic acid with the evolution of carbon dioxide.
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The process by which complex organic compounds, such as glucose, are broken down by the action of enzymes into simpler compounds without the use of oxygen. Fermentation results in the production of energy in the form of two ATP molecules, and produces less energy than the aerobic process of cellular respiration . The other end products of fermentation differ depending on the organism. In many bacteria, fungi, protists, and animals cells (notably muscle cells in the body), fermentation produces lactic acid and lactate, carbon dioxide, and water. In yeast and most plant cells, fermentation produces ethyl alcohol, carbon dioxide, and water.
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A state of agitation or excitement; a ferment.
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Unrest; agitation.
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The breakdown of complex molecules in organic compounds, caused by the influence of a ferment.

Bacteria cause milk to curdle by fermentation.

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Excitement; agitation.
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