9-letter words containing a, i, r, o, u
- ignoramus — an extremely ignorant person.
- iminourea — guanidine.
- in favour — If you are in favour of something, you support it and think that it is a good thing.
- incourage — Archaic form of encourage.
- incubator — an apparatus in which eggs are hatched artificially.
- indeavour — Archaic form of endeavour.
- infusoria — Irregular plural form of infusorium.
- inquorate — (of an assembly) unable to proceed effectively because not enough members are present to make up a quorum.
- insulator — Electricity. a material of such low conductivity that the flow of current through it is negligible. insulating material, often glass or porcelain, in a unit form designed so as to support a charged conductor and electrically isolate it.
- iroquoian — a family of North American Indian languages that includes Cherokee, Seneca, Mohawk, and Oneida.
- irrumatio — Alternative form of irrumation.
- isandrous — having the stamens similar to each other and equal in number to the petals.
- judicator — a person who acts as judge or sits in judgment.
- juniorate — a two-year course of study for a Jesuit novice in preparation for the course in philosophy.
- ketonuria — the presence of ketone bodies in the urine.
- khouribga — a city in W central Morocco.
- kraurosis — atrophy and shrinkage of the skin, especially of the vulva.
- laborious — requiring much work, exertion, or perseverance: a laborious undertaking.
- labouring — (British, Canada) present participle of labour.
- labourism — Support for the labour movement, the development of a collective organization of working people to campaign for better working conditions and treatment.
- labourist — a member or supporter of the Labour party.
- labourite — a member or supporter of the Labour party.
- lunisolar — pertaining to or based upon the relations or joint action of the moon and the sun.
- malarious — Pathology. any of a group of diseases, usually intermittent or remittent, characterized by attacks of chills, fever, and sweating: formerly supposed to be due to swamp exhalations but now known to be caused by a parasitic protozoan, which is transferred to the human bloodstream by a mosquito of the genus Anopheles and which occupies and destroys red blood cells.
- māori bug — a large shining black wingless cockroach of New Zealand, Platyzosteria novae-zelandiae
- matagouri — a thorny bush of New Zealand, Discaria toumatou, that forms thickets in open country
- minotaurs — Plural form of minotaur.
- mislabour — to labour wrongly
- mournival — a card game whose object is to gain a set of four aces, kings, queens, or knaves in one hand
- mutilator — to injure, disfigure, or make imperfect by removing or irreparably damaging parts: Vandals mutilated the painting.
- nefarious — extremely wicked or villainous; iniquitous: a nefarious plot.
- neuration — venation, as of an insect's wings.
- neurinoma — A schwannoma.
- neuroglia — a class of cells in the brain and spinal cord that form a supporting structure for the neurons and provide them with insulation.
- ocularist — a person who makes artificial eyes
- opium war — a war between Great Britain and China that began in 1839 as a conflict over the opium trade and ended in 1842 with the Chinese cession of Hong Kong to the British, the opening of five Chinese ports to foreign merchants, and the grant of other commercial and diplomatic privileges in the Treaty of Nanking.
- orbicular — like an orb; circular; ringlike; spherical; rounded.
- orbituary — Orbital.
- ortanique — A citrus fruit that is a cross between an orange and a tangerine, developed in Jamaica in the 1920s.
- ossuaries — Plural form of ossuary.
- ossuarium — ossuary.
- oulujarvi — a lake in central Finland, draining through the Oulu River to the Gulf of Bothnia.
- outlinear — relating to an outline
- outparish — a parish located outside the boundaries of or at a distance from a town or city; an outlying parish.
- outraging — Present participle of outrage.
- outraised — Simple past tense and past participle of outraise.
- outstrain — to strain or stretch too much
- oviparous — producing eggs that mature and hatch after being expelled from the body, as birds, most reptiles and fishes, and the monotremes.
- parecious — paroicous.
- paroicous — (of certain mosses) having the male and female reproductive organs beside or near each other.