9-letter words containing a, u, i
- antiquing — of or belonging to the past; not modern.
- antiquity — Antiquity is the distant past, especially the time of the ancient Egyptians, Greeks, and Romans.
- antiserum — blood serum containing antibodies against a specific antigen, used to treat or provide immunity to a disease
- antitauon — (physics) the antiparticle of the tauon.
- 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
- antiunion — opposed to trade unions
- antiurban — opposed to the urban environment or urban life
- antivirus — a piece of software designed to prevent viruses entering a computer system or network
- antoninus — Marcus Aurelius, Marcus Aurelius.
- anxiously — full of mental distress or uneasiness because of fear of danger or misfortune; greatly worried; solicitous: Her parents were anxious about her poor health.
- apiaceous — of the family Apiaceae; umbelliferous
- apiculate — (of leaves) ending in a short sharp point
- apivorous — eating bees
- apneustic — of or relating to apneusis
- appliqued — Appliqued shapes or fabric are formed from pieces of fabric which are stitched on to clothes or larger pieces of cloth.
- appliques — Plural form of applique.
- aptitudes — Plural form of aptitude.
- aquabatic — of or relating to gymnastic feats that are performed in water
- aquagenic — (medicine, dermatology) Caused by contact with water.
- aquaholic — Addicted to water.
- aquaporin — any one of a group of proteins in cell membranes that allow the passage of water across the membrane
- aquarists — Plural form of aquarist.
- aquariums — Plural form of aquarium.
- aquarobic — pertaining to exercises performed standing up in a swimming pool
- aquatinta — (dated, arts) aquatint.
- aquatints — Plural form of aquatint.
- aquiclude — any geological formation that absorbs and holds water but does not transmit it at a sufficient rate to supply springs, wells, etc.
- aquilegia — columbine
- aquitaine — a region of SW France, on the Bay of Biscay: a former Roman province and medieval duchy. It is generally flat in the west, rising to the slopes of the Massif Central in the northeast and the Pyrenees in the south; mainly agricultural
- aquitards — Plural form of aquitard.
- araucania — a region of central Chile, inhabited by Araucanian Indians
- araucaria — any tree of the coniferous genus Araucaria of South America, Australia, and Polynesia, such as the monkey puzzle and bunya-bunya
- arbitrium — the power to decide
- arbovirus — any one of a group of viruses that cause such diseases as encephalitis and dengue and are transmitted to humans by arthropods, esp insects and ticks
- archdruid — a chief or principal druid
- archilute — Alternative form of archlute.
- arcminute — unit of angular measurement, 1⁄60 of a degree
- arcturian — a first-magnitude star in the constellation Boötes.
- arcuation — the use of arches or vaults in buildings
- aristaeus — a son of Apollo and Cyrene: protector of herds and fields
- armouries — a drill hall used for training and as headquarters by a reserve unit of the armed forces
- arrhenius — Svante August (ˈsvantə ˈauɡʊst). 1859–1927, Swedish chemist and physicist, noted for his work on the theory of electrolytic dissociation: Nobel prize for chemistry 1903
- arsenious — of or containing arsenic in the trivalent state
- art music — music written by a composer rather than passed on by oral tradition
- art union — a lottery, often with prizes other than cash
- arthurian — of or relating to King Arthur and his Knights of the Round Table
- articular — of or relating to joints or to the structural components in a joint
- arum lily — any southern African plant of the aroid genus Zantedeschia, esp Z. aethiopica, which has a white funnel-shaped spathe enclosing a yellow spadix