19-letter words containing v, o, t, r
- heavy-water reactor — a nuclear reactor that uses heavy water as moderator
- henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
- henry the navigator — Prince, 1394–1460, prince of Portugal.
- hepatic portal vein — a vein connecting two capillary networks in the liver
- herpes zoster virus — a type of herpesvirus that causes chickenpox and shingles.
- immersion objective — a microscope objective of high resolving power in which the space between the front lens and the cover glass is filled with an oil whose index of refraction is close to that of the objective and the cover glass.
- incontrovertibility — The state or characteristic of being incontrovertible, of not being debatable; incontestability.
- indeterminate vowel — schwa.
- information service — a service which provides information
- interactive fiction — an adventure or mystery story, usually presented as a video game or book, in which the player or reader is given choices as to how the storyline is to develop or the mystery is to be solved.
- internal conversion — the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.
- interval estimation — the process of estimating a parameter of a given population by specifying an interval of values and the probability that the true value of the parameter falls within this interval.
- inver grove heights — a town in SE Minnesota.
- it serves you right — If you say it serves someone right when something unpleasant happens to them, you mean that it is their own fault and you have no sympathy for them.
- japanese arborvitae — a Japanese evergreen tree, Thuja standishii, having spreading branches with bright-green leaves.
- leave the door open — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- lieutenant governor — a state officer next in rank to a governor, who takes the governor's place in case of the latter's absence, disability, or death.
- liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
- locomotive engineer — engineer (def 3).
- locomotive workshop — a place where locomotives are built or repaired
- lose your virginity — When you lose your virginity, you have sex for the first time.
- love at first sight — instant romantic attraction to sb
- lymphoproliferative — Characterized by lymphoproliferation.
- magnetomotive force — a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit. Abbreviation: mmf.
- major seventh chord — a chord much used in modern music, esp jazz and pop, consisting of a major triad with an added major seventh above the root
- margaret of navarre — 1492–1549, queen of Navarre 1544–49: patron of literature, author of stories, and poet.
- massive retaliation — a strategy of military counterattack that involves the use of nuclear weapons.
- matthias i corvinus — ?1440–90, king of Hungary (1458–90): built up the most powerful kingdom in Central Europe. A patron of Renaissance art, he founded the Corvina library, one of the finest in Europe
- maturation division — a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.
- mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
- military government — a government in defeated territory administered by the military commander of a conquering nation.
- minor seventh chord — a chord consisting of a minor triad with an added minor seventh above the root
- montezuma's revenge — traveler's diarrhea, especially as experienced by some visitors to Mexico.
- most favored nation — a nation to which privileges of trade are extended under a government policy of giving the same privileges to all nations that are given to any one of them, sometimes depending on whether certain conditions, as of reciprocity, are met
- most-favored-nation — of or relating to the status, treatment, terms, etc., that are embodied in or conferred by a most-favored-nation clause.
- motivation research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
- moving spirit/force — The moving spirit or moving force behind something is the person or thing that caused it to start and to keep going, or that influenced people to take part in it.
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- national government — A national government is a government with members from more than one political party, especially one that is formed during a crisis.
- national serviceman — a soldier undertaking compulsory military service
- nerve growth factor — a protein that promotes the growth, organization, and maintenance of sympathetic and some sensory nerve cells. Abbreviation: NGF.
- new york university — (NYU) Established in 1831, New York University today includes thirteen schools, colleges and divisions located in New York City's borough of Manhattan, as well as research centers and programs in the surrounding suburbs and abroad.
- no shrinking violet — If you say that someone is no shrinking violet, you mean that they are not at all shy.
- non-interventionism — abstention by a nation from interference in the affairs of other nations or in those of its own political subdivisions.
- non-volatile memory — non-volatile storage
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- north valley stream — a town on W Long Island, in SE New York.
- not care/give a fig — If you say that someone doesn't care a fig or doesn't give a fig about something, you are emphasizing that they think it is unimportant or that they are not interested in it.
- observation balloon — a balloon that is used for gathering information and reconnaissance purposes and spotting aircraft
- olive-backed thrush — Swainson's thrush.