9-letter words containing a, t, r, u
- amaurotic — partial or total loss of sight, especially in the absence of a gross lesion or injury.
- ambulator — a person who walks
- amourette — a brief affair or an affair that is insignificant to oneself
- amphitruo — a comedy (c200 b.c.) by Plautus.
- anestrous — not showing estrus.
- angostura — the bitter, aromatic bark of either of two South American citrus trees, Galipea officinalis or G. cusparia, used in medicine and in the preparation of liqueurs and bitters.
- anoestrus — a period of sexual inactivity between two periods of oestrus in many mammals
- antecourt — a forecourt.
- anthurium — any of various tropical American aroid plants constituting the genus Anthurium, many of which are cultivated as house plants for their showy foliage and their flowers, which are borne in a long-stalked spike surrounded by a flaring heart-shaped white or red bract
- anti-drug — opposing or restricting the use of narcotics or other drugs of abuse: to enact stricter antidrug laws.
- antibuser — someone who opposes busing
- antifraud — acting against fraud
- antinuker — a person who is opposed to nuclear weapons or energy
- antiquark — the antiparticle of a quark
- antiquary — An antiquary is a person who studies the past, or who collects or buys and sells old and valuable objects.
- antiquers — a person who takes a special interest in antiques; a collector of antiquities; antiquary.
- antiserum — blood serum containing antibodies against a specific antigen, used to treat or provide immunity to a disease
- antitrust — In the United States, antitrust laws are intended to stop large firms taking over their competitors, fixing prices with their competitors, or interfering with free competition in any way.
- antitumor — Inhibiting the development of a tumor.
- antiulcer — acting against ulcers
- antiurban — opposed to the urban environment or urban life
- antivirus — a piece of software designed to prevent viruses entering a computer system or network
- apatosaur — a large, long-necked, herbivorous dinosaur
- apertural — relating to aperture or an aperture
- apertured — having an aperture
- apertures — Plural form of aperture.
- apparatus — The apparatus of an organization or system is its structure and method of operation.
- aquarists — Plural form of aquarist.
- aquitards — Plural form of aquitard.
- aracatuba — a city in SE Brazil.
- arbitrium — the power to decide
- arboretum — An arboretum is a specially designed garden of different types of trees.
- arbuthnot — John. 1667–1735, Scottish physician and satirist: author of The History of John Bull (1712) and, with others, of the Memoirs of Martinus Scriblerus (1741)
- arbutuses — Plural form of arbutus.
- archilute — Alternative form of archlute.
- arcminute — unit of angular measurement, 1⁄60 of a degree
- arcturian — a first-magnitude star in the constellation Boötes.
- arcuately — In an arcuate way.
- arcuation — the use of arches or vaults in buildings
- arethusas — Plural form of arethusa.
- argentous — of or containing silver in the monovalent state
- argonauts — Classical Mythology. a member of the band of men who sailed to Colchis with Jason in the ship Argo in search of the Golden Fleece.
- argue out — If two or more people argue something out, they discuss it or thoroughly in order to reach a conclusion or decision.
- argumenta — appeals to reason
- arguments — an oral disagreement; verbal opposition; contention; altercation: a violent argument.
- aristaeus — a son of Apollo and Cyrene: protector of herds and fields
- armatures — Plural form of armature.
- art house — a motion-picture theater specializing in the exhibition of art films.
- art music — music written by a composer rather than passed on by oral tradition
- art union — a lottery, often with prizes other than cash