17-letter words containing d, r, a, v, i, t
- relative humidity — the amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature; the ratio of the actual water vapor pressure to the saturation vapor pressure. Abbreviation: RH, rh.
- remittance advice — a letter sent by a customer to a supplier, to let them know that their invoice has been paid
- reverse apartheid — a perceived bias against White people following the end of Apartheid
- saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- silver star medal — a U.S. military decoration in the form of a bronze star with a small silver star at the center, awarded for gallantry in action
- sleep deprivation — a condition in which you have not had enough sleep
- the driver's seat — the position of control or dominance
- the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
- traffic diversion — a special route arranged for traffic to follow when the normal route cannot be used
- valetudinarianism — the state, condition, or habits of a valetudinarian.
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- vice-presidential — relating to a person who ranks immediately below the chief executive or head of state of a republic
- visible radiation — electromagnetic radiation that causes the sensation of sight; light. It has wavelengths between about 380 and 780 nanometres
- voidable contract — a contract or agreement that is capable of being made of no legal effect or made void
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- wood preservative — a coating applied to timber as a protection against decay, insects, weather, etc
- yesterday evening — during the evening of the day preceding today