ventilating

  • 101Ventilative — Ven ti*la*tive, a. Of or pertaining to ventilation; adapted to secure ventilation; ventilating; as, ventilative apparatus. [1913 Webster] …

    The Collaborative International Dictionary of English

  • 102weather door — Trapdoor Trap door , n. 1. (Arch.) A lifting or sliding door covering an opening in a roof or floor. [1913 Webster] 2. (Mining) A door in a level for regulating the ventilating current; called also {weather door}. Raymond. [1913 Webster]… …

    The Collaborative International Dictionary of English

  • 103HVAC — abbreviation heating, ventilating, and air conditioning; heating, ventilation, and air conditioning …

    New Collegiate Dictionary

  • 104steamfitter — noun Date: 1864 one that installs or repairs equipment (as steam pipes) for heating, ventilating, or refrigerating systems • steam fitting noun …

    New Collegiate Dictionary

  • 105ventilate — transitive verb ( lated; lating) Etymology: Middle English, discussed, aired, from Late Latin ventilatus, past participle of ventilare, from Latin, to fan, winnow, from ventus wind more at wind Date: 15th century 1. a. to examine, discuss, or… …

    New Collegiate Dictionary

  • 106ventilation — noun Date: 1519 1. the act or process of ventilating 2. a. circulation of air < a room with good ventilation > b. the circulation and exchange of gases in the lungs or gills that is basic to respiration 3. a system or means of providing fresh air …

    New Collegiate Dictionary

  • 107shaft — I. noun (plural shafts) Etymology: Middle English, from Old English sceaft; akin to Old High German scaft shaft, Latin scapus shaft, stalk, Greek skēptesthai to prop oneself, lean Date: before 12th century 1. a. (1) the long handle of a spear or&#8230; …

    New Collegiate Dictionary

  • 108Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The&#8230; …

    Wikipedia

  • 109Anemometer — A hemispherical cup anemometer of the type invented in 1846 by John Thomas Romney Robinson Cup ty …

    Wikipedia

  • 110Cereal — Grain redirects here. For other uses, see Grain (disambiguation). This article is about grains in general. For breakfast cereal, see Breakfast cereal. Oats, barley, and some food products made from cereal grains. Cereals are grasses (members of&#8230; …

    Wikipedia