In+a+vacuum

  • 121Vacuum chamber — A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. The resulting low pressure, commonly referred to as a vacuum, allows researchers to conduct physical experiments or to test mechanical devices… …

    Wikipedia

  • 122Vacuum breaker — A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being sucked backward into the public water system. This prevents contamination should the public water system s… …

    Wikipedia

  • 123Vacuum deposition — Not to be confused with Vacuum coating. Vacuum deposition is a family of processes used to deposit layers atom by atom or molecule by molecule at sub atmospheric pressure (vacuum) on a solid surface. The layers may be as thin as one atom to… …

    Wikipedia

  • 124Vacuum newspaper — The Vacuum is a free monthly newspaper published in Belfast, Northern Ireland by the arts organisation Factotum. Each issue is themed and contains critical commentary about the city and broader cultural issues. 15,000 copies of the paper are… …

    Wikipedia

  • 125vacuum — vac|u|um1 [ˈvækjuəm, kjum] n [Date: 1500 1600; : Latin; Origin: vacuus; VACUOUS] 1.) a space that is completely empty of all gas, especially one from which all the air has been taken away 2.) a vacuum cleaner 3.) [singular] a situation in which… …

    Dictionary of contemporary English

  • 126vacuum — {{11}}vacuum (n.) 1540s, emptiness of space, from L. vacuum an empty space, void, noun use of neuter of vacuus empty, related to vacare be empty (see VAIN (Cf. vain)). Properly a loan translation of Gk. xenon, lit. that which is empty. Meaning a… …

    Etymology dictionary

  • 127Vacuum furnace — A vacuum furnace is a type of furnace that can heat materials, typically metals, to very high temperatures and carry out processes such as brazing, sintering and heat treatment with high consistency and low contamination. In a vacuum furnace the… …

    Wikipedia

  • 128vacuum-clean — verb clean with a vacuum cleaner vacuum the carpets • Syn: ↑vacuum, ↑hoover • Derivationally related forms: ↑Hoover (for: ↑hoover), ↑vacuum ( …

    Useful english dictionary