11-letter words containing e, n, r, o
- antenniform — shaped like an antenna
- anteorbital — in front of the orbit of the eye
- anteportico — a lesser portico preceding a main portico.
- anteriority — situated before or at the front of; fore (opposed to posterior).
- anterograde — moving forwards, in the normal direction of flow
- anteversion — abnormal forward tilting of a bodily organ, esp the uterus
- antherozoid — one of many small male gametes produced in an antheridium
- anthochlore — a yellow pigment found in flowers
- anthracnose — any of several fungus diseases of plants and trees, such as vines and beans, characterized by oval dark depressed spots on the fruit and elsewhere
- anti-reform — the improvement or amendment of what is wrong, corrupt, unsatisfactory, etc.: social reform; spelling reform.
- antichoicer — someone who opposes the granting of pregnant women the choice to have an abortion
- antiforeign — opposed to or discriminating against foreigners or foreign countries
- antiheroine — a central female character in a novel, play, film, etc, who lacks the traditional heroic virtues
- antiheroism — (literature) The quality of being an antihero.
- antihyperon — the antiparticle of the hyperon
- antileprosy — acting against leprosy
- antineutron — the antiparticle of a neutron; a particle having the same mass as the neutron but a magnetic moment of opposite sign
- antipoverty — acting against poverty
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- antler moth — a European noctuid moth, Cerapteryx (or Charaeas) graminis, that has white antler-like markings on the forewings and produces larvae that periodically cause great damage to pastures and grasslands
- aplanospore — a nonmotile asexual spore produced by certain algae and fungi
- apoferritin — a homogeneous protein, found especially in the intestinal mucosa and the liver, that interacts with a ferric hydroxide-ferric phosphate complex to form ferritin.
- apollinaire — Guillaume (ɡijom), real name Wilhelm Apollinaris de Kostrowitzki. 1880–1918, French poet, novelist, and dramatist, regarded as a precursor of surrealism; author of Alcoöls (1913) and Calligrammes (1918)
- apomorphine — a white crystalline alkaloid, derived from morphine, that is used medicinally as an emetic, as an expectorant, and in Parkinson's disease. Formula: C17H17NO2
- aponeuroses — Plural form of aponeurosis.
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apoproteins — Plural form of apoprotein.
- apportioned — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportioner — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apprecation — (obsolete) Earnest prayer; devout wish.
- appropinque — to approach
- approvement — (obsolete, Old English law) Improvement of common lands by converting them for advantage of the landlord.
- apron piece — (in a staircase) a header receiving the ends of rough strings, carriage pieces, and the joists of landings.
- apron stage — a stage that projects into the auditorium so that the audience sit on three sides of it
- arab legion — a police force (1920–56) under British supervision, responsible for keeping order among desert tribesmen in Trans-Jordan.
- arabinoside — a glycoside yielding arabinose when hydrolysed
- araneomorph — (zoology) Any of the Araneomorphae, a suborder of spiders whose fangs cross with a pinching action.
- arborescent — having the shape or characteristics of a tree
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archdeacons — Plural form of archdeacon.
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- arduousness — requiring great exertion; laborious; difficult: an arduous undertaking.
- arenicolous — growing or living in sand or sandy places
- areocentric — relating to a reference system which has Mars as its centre
- armageddons — Plural form of armageddon.
- aroint thee — away! begone!