Glossary V

Vitreous clay is a kind of clay that has been fired to maturity, so that it is hard, dense and nonabsorbent.
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Clay (Clay is characterized as: 1) Fine-grained ...)
Vitreous (Vitreous refers to a surface material on some ...)

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Alternative Spellings (Synonyms): Clays

Vacuum distillation describes a process by which heavier cuts of crude not vaporized in the topping (atmospheric distillation) process are heated in a vaccum to accomplish their fractionation.
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Vacuum (Vacuum means void, emptiness, vacuity; space that ...)
Distillation (Distillation is a method of separation of ...)

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Alternative Spellings (Synonyms): vacuums, distillations

Vacuum fermentation is described as a process of operating a fermentation under vacuum, so that the ethanol or other product is vaporized and removed as it is formed, to avoid its concentration becoming inhibitory to the yeast.
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Vacuum (Vacuum means void, emptiness, vacuity; space that ...)
Fermentation (A fermentation is the anaerobic metabolic ...)
Fermentation (Die Fermentation ist ein Proze? zur Erzeugung ...)

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Alternative Spellings (Synonyms): vacuums, Fermentationen, Fermentations

Vacuum packaged refers to a kind of packaging where the food is placed in an air-tight package and all the air ia removed prior to sealing to prevent growth of microorganisms.
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Vacuum (Vacuum means void, emptiness, vacuity; space that ...)
Packaging (Packaging refers to any material used in the ...)

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Alternative Spellings (Synonyms): vacuums

Variety store is characteriezed as a store that focuses on low-cost, stock merchandise, with a limited selection of goods for selling.

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Alternative Spellings (Synonyms): Stores

Variometer is described as a panel instrument, often as simple as a tiny ball in a vertical tube, indicating subtle pitch movements of an aircraft.

Vat dye refers to a water-insoluble dye, usually containing keto groups, which is normally applied to the fibre from an alkaline aqueous solution of the reduced enol (leuco) form, which is subsequently oxidised in the fibre to the insoluble form.
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Dye (Dye refers to a soluble colouring material which ...)

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Alternative Spellings (Synonyms): vats

Vegetable tanning is described as a tanning process using the extracts of tannic acid. Vegetable tanned leather is strong, and suitable for belts, bags, etc. It can also be water-formed.
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Water-formed (Water-formed is described as a technique in which ...)
Tanning (Tanning is described as the process of ...)