11-letter words that end in m
- apotropaism — the use of ritual or magic to ward off evil or bad luck
- apricot jam — a sweet preserve made from apricots
- archdukedom — the territory ruled by an archduke or archduchess
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- arminianism — a liberal Christian movement based on the doctrines of Jacobus Arminius, that stressed free will as opposed to Calvinistic predestination
- arteriogram — an X-ray of a vein or artery which has been injected with dye in order to diagnose obstruction or damage
- asbestiform — having the look or structure of asbestos
- aspergillum — a brush or perforated container for sprinkling holy water
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- aspheterism — the teaching that all property should be in common ownership and no individual should benefit from personal possession
- astigmatism — If someone has astigmatism, the front of their eye has a slightly irregular shape, so they cannot see properly.
- asynclitism — The position of a baby in the uterus such that the head is presenting first, tilted to the shoulder and thus no longer in line with the birth canal.
- at the helm — steering a ship
- athleticism — Athleticism is someone's fitness and ability to perform well at sports or other physical activities.
- atlanticism — advocacy of close cooperation in military, political, and economic matters between Western Europe, esp the UK, and the US
- attorneydom — the state or power of being an attorney
- attorneyism — the slyness and cleverness associated with attorneys
- autoantonym — (rare) A word that has two opposing meanings.
- autoerotism — pleasurable sensations or tensions arising in the erogenous body zones without external stimulation
- avicularium — a protective zooid of a bryozoan colony, having movable jaws that can be snapped shut.
- bachelordom — the state of being a bachelor; bachelorhood
- bachelorism — bachelorhood
- bacilliform — shaped like a rod
- barbitalism — barbiturism.
- barbiturism — chronic poisoning caused by the excessive use of phenobarbital, secobarbital, or other derivative of barbituric acid.
- barnyardism — a smutty or indecent word or expression.
- barthianism — the theological doctrines and principles of Karl Barth and his followers, especially in reference to neoorthodoxy.
- basicranium — (anatomy) The inferior region of the skull.
- behaviorism — Behaviorism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- bell-bottom — designating trousers or slacks that are flared beginning at the knee or mid-calf
- berkeleyism — any philosophical system or doctrine derived from the views of Bishop Berkeley.
- beta rhythm — the normal electrical activity of the cerebral cortex, occurring at a frequency of 13 to 30 hertz and detectable with an electroencephalograph
- biblioclasm — a person who mutilates or destroys books.
- bimetallism — the use of two metals, esp gold and silver, in fixed relative values as the standard of value and currency
- binary form — a structure consisting of two sections, each being played twice
- biomorphism — a painted, drawn, or sculptured free form or design suggestive in shape of a living organism, especially an ameba or protozoan: The paintings of Joan Miró are often notable for their playful, bright-colored biomorphs.
- black bream — a dark-coloured food and game fish, Acanthopagrus australis, of E Australian seas
- bladderworm — cysticercus
- blood serum — blood plasma from which the clotting factors have been removed
- bloodstream — Your bloodstream is the blood that flows around your body.
- blueblossom — a shrub, Ceanothus thyrsiflorus, of the buckthorn family, abundant in the western U.S., having finely toothed oblong leaves and lilaclike clusters of blue flowers.
- body rhythm — biorhythm.
- bohemianism — unconventional behaviour or appearance, esp of an artist
- boiler room — any room in a building (often in the basement) that contains a boiler for central heating, etc
- bonapartism — a political system resembling the rules of the Bonapartes, esp Napoleon I and Napoleon III: centralized government by a military dictator, who enjoys popular support given expression in plebiscites
- boolean sum — Mathematics. symmetric difference.
- boring clam — piddock
- boulder dam — Hoover Dam
- brachyprism — the four faces parallel to the brachyaxis in a crystal
- braggartism — the activity of a braggart