13-letter words containing a, c, t, i, v, y
- safety device — A safety device is a piece of equipment such as a fire extinguisher, safety belt, or burglar alarm that reduces loss or damage from a fire, accident, or break-in.
- speculatively — pertaining to, of the nature of, or characterized by speculation, contemplation, conjecture, or abstract reasoning: a speculative approach.
- superactivity — extreme activity; hyperactivity
- sylvicultural — relating to sylviculture
- traverse city — a city in NW Michigan.
- underactivity — insufficient activity
- velocity head — the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals ρν/2 where ρ is the density of the fluid and ν is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant
- vernacularity — the quality or state of being vernacular
- victory medal — a round bronze medal awarded to all those who served in the armed forces of the U.S. during World War I.
- vindicatorily — in a vindicatory manner
- vinyl acetate — a colorless, easily polymerized, water-insoluble liquid, C 4 H 6 O 2 , produced by the reaction of acetylene and acetic acid: used chiefly in the manufacture of plastics, films, paints, and adhesives.
- vinyl plastic — any of various plastics made from polymerized vinyl compounds or copolymers of vinyl and other resins, used in various molded or extruded products, coatings, adhesives, sizes, etc.
- virginia city — a mining town in W Nevada: famous for the discovery of the rich Comstock silver lode 1859.
- visual acuity — acuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 feet (6 meters). Abbreviation: V.