19-letter words containing f, a, v, i
- off-highway vehicle — An off-highway vehicle is a vehicle, such as one used for construction or agriculture, that is intended for use on steep or uneven ground.
- parainfluenza virus — any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp in children
- photovoltaic effect — the phenomenon in which the incidence of light or other electromagnetic radiation upon the junction of two dissimilar materials, as a metal and a semiconductor, induces the generation of an electromotive force.
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- private first class — a soldier ranking above a private and below a corporal or specialist fourth class in the U.S. Army, and above a private and below a lance corporal in the U.S. Marine Corps.
- professional advice — advice given by someone trained in a particular and relevant profession or job
- radioactive fallout — the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout) Compare rainout.
- radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- revival of learning — the Renaissance in its relation to learning, especially in literature (Revival of Literature or Revival of Letters)
- rural free delivery — former name for rural delivery service. Abbreviation: R.F.D.
- sacrifice operative — a euphemistic term for a suicide bomber
- savings certificate — a certificate of deposit for a specific sum of money in a savings account, especially a deposit for a fixed term at a specified interest rate.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- stanford university — (education) A University in the city of Palo Alto, California, noted for work in computing, especially artificial intelligence. See SAIL.
- take five, take ten — If someone tells you to take five or to take ten, they are telling you to have a five- or ten-minute break from what you are doing.
- ticket-of-leave man — (formerly in Britain) a convict who had a permit to leave prison, after serving only part of his sentence, with certain restrictions placed on him
- to fit like a glove — If you say that something fits like a glove, you are emphasizing that it fits exactly.
- to have it off/away — To have it off with someone or have it away with someone means to have sex with them.
- valley of the kings — a valley on the west bank of the Nile near the site of Thebes: the necropolis of many of the kings and queens of the 18th and 19th dynasties of ancient Egypt, c1350–c1200 b.c.
- virginia-rail-fence — snake fence.
- zone of illuviation — B horizon.