12-letter words containing ium
- medium-sweet — (esp of wines) fairly sweet
- mesogastrium — the mesentery of the embryonic stomach.
- microscopium — a faint constellation in the S hemisphere lying near Sagittarius and Capricornus
- mycocecidium — a gall caused by a parasitic fungus.
- mycodomatium — an abnormal growth on a plant, caused by fungi
- neoytterbium — ytterbium.
- nielsbohrium — dubnium: symbol, Ns: the name originally proposed by Russian scientists for this element
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- panhellenium — an institution founded by the Roman Emperor Hadrian idealizing Greece's Classical history
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- perinephrium — the capsule of connective tissue that envelops the kidney.
- periodontium — the bone, connective tissue, and gum surrounding and supporting a tooth.
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- periselenium — the closest point of the orbit of a spacecraft to the moon
- pleiochasium — a flowering system in which several buds come out at the same time
- postliminium — postliminy.
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- premium bond — In Britain, premium bonds are numbered tickets that are sold by the government. Each month, a computer selects several numbers, and the people whose tickets have those numbers win money.
- premium deal — a commercial transaction in which a special incentive or bonus is offered
- premium fuel — fuel or gasoline which has a higher octane value and is more expensive than standard fuel
- premium loan — a loan made by a life-insurance company in order that a policyholder may pay the due premium, the cash value on the policy serving as security.
- premium-rate — (relating to telephone calls) charged at a higher than standard rate
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- protactinium — a radioactive, metallic element. Symbol: Pa; atomic number: 91.
- prothalamium — prothalamion.
- pseudopodium — pseudopod.
- quadriennium — quadrennium.
- quadrominium — a building consisting of four individually owned apartments or living units.
- quinquennium — a period of five years.
- radiothorium — a disintegration product of thorium.
- repositorium — a place for the storage of valuables, as in an ancient Roman temple or a church.
- salutatorium — a porch or room in a monastery or church serving as a meeting or almsgiving place for monks or priests and the laity.
- serpentarium — a place where snakes are housed, especially for exhibition.
- sodium amide — a white, crystalline, water-insoluble, flammable powder, NaNH 2 , used chiefly in the manufacture of sodium cyanide and in organic synthesis.
- sodium light — the light produced by a sodium lamp
- spermagonium — Botany, Mycology. spermogonium.
- spermogonium — one of the cup-shaped or flask-shaped receptacles in which the spermatia of certain fungi and red algae are produced.
- stereocilium — any of the long, flexible microvilli that superficially resemble cilia and occur as a brush border or series of tufts on the surface of various epithelial tissues.
- strontium 90 — a harmful radioactive isotope of strontium, produced in certain nuclear reactions and present in their fallout.
- superpremium — a prize, bonus, or award given as an inducement, as to purchase products, enter competitions initiated by business interests, etc.
- suspensorium — a part that supports or suspends, esp the mandibular suspensorium, which suspends the lower jaw from the skull
- synclinorium — a regional structure of general synclinal form that includes a series of smaller folds.
- telharmonium — a musical keyboard instrument operating by alternating currents of electricity which, on impulse from the keyboard, produce music at a distant point via telephone lines.
- tertium quid — something related in some way to two things, but distinct from both; something intermediate between two things.
- transfermium — having an atomic number greater than 100, the atomic number of fermium.
- transuranium — any element having an atomic number greater than 92, the atomic number of uranium. All such elements are radioactive and can be synthesized by bombarding a heavy element with a light particle or element. See also transactinide element.
- triumphalism — triumphant spirit or character.
- triumphalist — Triumphalist behaviour is behaviour in which politicians or organizations celebrate a victory or a great success, especially when this is intended to upset the people they have defeated.
- triumphantly — having achieved victory or success; victorious; successful.
- unguentarium — a vessel for holding an unguent