12-letter words that end in um
- 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.
- sporangiolum — a small sporangium
- 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.
- striped drum — a North American marine and freshwater sciaenid fish, Equetus pulcher, that utters a drumming sound
- suboperculum — a bone in fishes behind the operculum or gill covering
- summum bonum — the highest or chief good.
- supernaculum — a highly regarded liquor, to be drunk to the very last drop
- superpremium — a prize, bonus, or award given as an inducement, as to purchase products, enter competitions initiated by business interests, etc.
- superstratum — an overlying stratum or layer.
- 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.
- 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.
- understratum — a substratum.
- unguentarium — a vessel for holding an unguent
- unnilpentium — dubnium.
- unnilquadium — rutherfordium.
- unnilseptium — bohrium.
- verticillium — a fungus in the Verticillium genus which normally affects plants or insects
- verumontanum — an elevation in the wall of the urethra
- winding drum — a rotating drum usually grooved to nest a wire rope which is wound onto it as part of the mechanism of a hoist
- x consortium — A vendor consortium supporting development, evolution and maintenance of the X Window System. The X Consortium is an independent, not-for-profit company. It was formed in 1993 as the successor to the MIT X Consortium, a research group of the MIT Laboratory for Computer Science.
- xiphisternum — The lowest part of the sternum; the xiphoid process.
- xylobalsamum — the dried, fragrant wood of the Balsamodendron gileadense that produces resin known as Balm of Gilead