Category: V

  • Victoreen R- meter

    The H. Fricke and O. Glasser-developed calibration method, adopted by the Victoreen Instrument Company, serves the purpose of calibrating the roentgen output of x-ray therapy units. This technique involves the utilization of a thimble-type ionization chamber, which is calibrated against a more accurate instrument. The calibrated ionization chamber aids in establishing the precise measurement of…

  • Valve tube

    A valve tube, which belongs to the diode family of vacuum tubes, is specifically engineered to allow the passage of electric current in a single direction within the tube. These valve tubes find application in circuits for the purpose of rectifying the current. In contemporary valve tubes, the filament is thoriated in order to extend…

  • Valence electron

    In the realm of chemical reactions, an electron that undergoes a process of acquisition, loss, or sharing is referred to as a reactive electron. These electrons actively participate in chemical reactions, influencing the formation or breaking of bonds between atoms and enabling the transformation of substances.  

  • Valence bond

    The connection established by the sharing or transfer of electrons between two or more atoms is known as a chemical bond. It is through this bond that the electrons of the participating atoms interact, leading to the formation of stable molecular structures.  

  • Vodka

    Vodka, the quintessential national beverage of the Soviet Union, is a potent and fiery colorless spirit primarily distilled from wheat, although rye or potatoes can also serve as its base. It is distinct in that it lacks any coloring or maturation process. While traditionally consumed as an aperitif in the Soviet Union and cherished as…

  • Vichy water

    A mineral water sourced from one of the springs located in Vichy, France. Varieties other than Celestin should only be consumed under the guidance of a medical professional. Vichy water is a mildly laxative and antacid mineral water sourced from Vichy, France. In Europe, it has been employed to address rheumatic, gouty conditions, and liver…

  • Vichy carrots

    Tender, youthful carrots, gently scraped and cooked in a combination of water and butter until the liquid has completely evaporated, then coated with a butter glaze. Initially, Vichy water, hence the name, was employed as the cooking liquid for this preparation.  

  • Veloute

    An opulent white sauce, crafted with a delicate foundation of light broth, serves as the cornerstone for a multitude of more intricate sauces like Allemande, Mousseline, and others. The choice of liquid employed can vary, encompassing veal, chicken, or fish stock, depending on the specific culinary creation at hand.  

  • Vegetable marrow

    Belonging to the squash family, this particular member holds a revered status in Great Britain, where it is widely cherished as the marrow. However, in the United States, it tends to be overlooked in favor of other varieties of squash with thinner skin. The vegetable marrow, at its peak, is best enjoyed during its youth…

  • Vacherin

    Prepare to be enchanted by a captivating dessert, showcasing an intricate composition—a splendid creation known as a “basket.” This exquisite treat is crafted by meticulously layering rings of meringue or macaroon mixture upon a delectable pastry base, forming an elegant structure. Once completed, this delicate vessel is then generously filled with luscious cream or delightful…