18-letter words containing y, a, v, r
- rapid eye movement — rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.
- recovery operation — the process of locating and retrieving bodies, esp following an explosion or natural disaster
- relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
- relative major key — a major key that has the same key signature as a minor key, but a different tonic
- relative minor key — a minor key that has the same key signature as a major key, but a different tonic
- reversionary bonus — a bonus added to the sum payable on death or at the maturity of a with-profits assurance policy
- revolutionary wars — American Revolution.
- rr lyrae variables — any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours
- secondary deviance — deviant behavior that results from being publicly labeled as deviant and treated as an outsider.
- secondary recovery — extraction of oil or natural gas under artificially induced pressure after the natural flow has ceased.
- special relativity — the state or fact of being relative.
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- supportive therapy — any treatment, such as the intravenous administration of certain fluids, designed to reinforce or sustain the physiological well-being of a patient
- surveyor's compass — an instrument used by surveyors for measuring azimuths.
- surveyor's measure — a system of units of length used in surveying land, based on the surveyor's chain of 66 feet (20.12 meters) and its 100 links of 7.92 inches (20.12 cm).
- tardive dyskinesia — a disorder characterized by restlessness and involuntary rolling of the tongue or twitching of the face, trunk, or limbs, usually occurring as a complication of long-term therapy with antipsychotic drugs.
- three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
- to play favourites — to display favouritism
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- transylvanian alps — a mountain range in S Romania; a SW extension of the Carpathian Mountains. Highest peak: Mount Negoiu, 2548 m (8360 ft)
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- universalizability — the thesis that any moral judgment must be equally applicable to every relevantly identical situation
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- veterinary surgeon — Chiefly British. a veterinarian.
- voluntary abortion — abortion (def 1).
- voluntary-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- yerkes observatory — an astronomical observatory located in Williams Bay, Wisconsin, affiliated with the University of Chicago, and having a 40-inch (102-cm) refracting telescope, the largest refractor in the world.
- you never can tell — If you say 'You never can tell', you mean that the future is always uncertain and it is never possible to know exactly what will happen.
- young conservative — a member of the youth section of the United Kingdom Conservative Party
- yves saint laurent — Louis Stephen [lwee ste-fen] /lwi stɛˈfɛn/ (Show IPA), 1882–1973, prime minister of Canada 1948–57.