18-letter words containing a, n, i, m, t, v
- plenum ventilation — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- provision merchant — a person or company in the business of retailing food and other provisions
- rapid eye movement — rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.
- reactive component — the component in an alternating-current circuit that does not contribute power because it is 90° out of phase with the voltage or current.
- relative minor key — a minor key that has the same key signature as a major key, but a different tonic
- reverberation time — the time it takes for a sound made in a room to diminish by 60 decibels.
- second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
- self-advertisement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- service department — a repair shop
- social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
- television company — a company that broadcasts programmes by television
- thiruvananthapuram — a state in SW India: formerly the regions of Travancore and Cochin. 15,005 sq. mi. (38,836 sq. km). Capital: Thiruvananthapuram.
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- vanadium pentoxide — a yellow to red crystalline compound, V 2 O 5 , slightly soluble in water, used as a catalyst for organic reactions, in glass to absorb ultraviolet radiation, and as a photographic developer.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- vitamin a aldehyde — retinal2 .
- vitamin deficiency — a lack of a vitamin or vitamins needed for good health
- vitelline membrane — the membrane surrounding the egg yolk.
- vosges (mountains) — mountain range in NE France, west of the Rhine: highest peak, c. 4,700 ft (1,433 m)