9-letter words that end in um
- sagapenum — a resin formerly used as a drug
- salicetum — a plantation of willows
- sargassum — any seaweed of the genus Sargassum, widely distributed in the warmer waters of the globe, as S. bacciferum, the common gulfweed.
- sarmentum — a slender running stem; runner.
- scutellum — Botany. the shieldlike cotyledon of certain monocots.
- sensillum — Zoology. a simple sense organ usually consisting of one or a few cells at the peripheral end of a sensory nerve fiber.
- sensorium — a part of the brain or the brain itself regarded as the seat of sensation.
- separatum — a reprint of an article separately from the magazine, journal, or book in which it was originally published; an offprint
- septarium — a concretionary nodule or mass, usually of calcium carbonate or of argillaceous carbonate of iron, traversed within by a network of cracks filled with calcite and other minerals.
- set scrum — the act or method of restarting play after an infringement, called by the referee, when the two opposing packs of forwards group together with heads down and arms interlocked and push to gain ground while the scrum half throws the ball in and the hookers attempt to scoop it out to their own team
- side drum — snare drum.
- slit-drum — a hollowed-out log with a long, narrow slit, beaten with a stick or stamped upon to produce a drumming sound, found in many cultures since ancient times.
- spirillum — any of several spirally twisted, aerobic bacteria of the genus Spirillum, certain species of which are pathogenic for humans.
- sporidium — a small spore produced on the basidia or promycelia of fungi, etc
- stomodeum — a depression in the ectoderm of the oral region of a young embryo, which develops into the mouth and oral cavity.
- strontium — a bivalent, metallic element whose compounds resemble those of calcium, found in nature only in the combined state, as in strontianite: used in fireworks, flares, and tracer bullets. Symbol: Sr; atomic weight: 87.62; atomic number: 38; specific gravity: 2.6.
- submentum — the base of an insect's lip
- subphylum — a category of related classes within a phylum.
- sugar gum — a small eucalyptus tree, Eucalyptus cladocalyx, having smooth bark and barrel-shaped fruits and grown for timber and ornament. It has sweet-tasting leaves which are often eaten by livestock
- sugarplum — a small sweetmeat made of sugar with various flavoring and coloring ingredients; a bonbon.
- sulfonium — the positively charged group H 3 S + , its salts, or their substitute products.
- sweet gum — a tall, aromatic tree, Liquidambar styraciflua, of the eastern U.S., having star-shaped leaves and fruits in rounded, burlike clusters.
- sympodium — an axis or stem that simulates a simple stem but is made up of the bases of a number of axes that arise successively as branches, one from another, as in the grapevine.
- symposium — a meeting or conference for the discussion of some subject, especially a meeting at which several speakers talk on or discuss a topic before an audience.
- synangium — a common vascular junction from which several arteries branch
- syncytium — a multinucleate mass of cytoplasm that is not separated into cells.
- synsacrum — a dorsal ridge of bone in the pelvic region of birds, formed by the fusion of certain thoracic, lumbar, sacral, and caudal vertebrae.
- taraxacum — the dried roots of any of several composite plants of the genus Taraxacum, as the dandelion, T. officinale or T. laevigatum, used in medicine in powdered or fluidextract form chiefly as a tonic and aperient.
- tegmentum — one of the hard protective sometimes hairy or resinous specialized leaves surrounding the buds of certain plants
- tellurium — a rare, lustrous, brittle, crystalline, silver-white element resembling sulfur in its properties, and usually occurring in nature combined with gold, silver, or other metals of high atomic weight: used in the manufacture of alloys and as a coloring agent in glass and ceramics. Symbol: Te; atomic weight: 127.60; atomic number: 52; specific gravity: 6.24.
- tenaculum — Surgery. a small sharp-pointed hook set in a handle, used for seizing and picking up parts in operations and dissections.
- tentorium — Anatomy. an extension of one of the membranes covering the cerebrum which, with the transverse fissure, separates the cerebrum from the cerebellum.
- terrarium — a vivarium for land animals (distinguished from aquarium).
- thalamium — thalamus (def 3).
- the forum — the main forum of ancient Rome, situated between the Capitoline and the Palatine Hills
- tormentum — an ancient Roman catapult- like war weapon
- trapezium — Geometry. (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram. a quadrilateral plane figure of which no two sides are parallel. British. trapezoid (def 1a).
- tridentum — ancient name of Trent, Italy.
- triennium — a period of three years.
- trifolium — any leguminous plant of the temperate genus Trifolium, having leaves divided into three leaflets and dense heads of small white, yellow, red, or purple flowers: includes the clovers and trefoils
- triforium — (in a church) the wall at the side of the nave, choir, or transept, corresponding to the space between the vaulting or ceiling and the roof of an aisle, often having a blind arcade or an opening in a gallery.
- tripudium — an ancient religious dance
- trisodium — pertaining to molecules containing three sodium atoms.
- trophaeum — tropaeum.
- ultimatum — a final, uncompromising demand or set of terms issued by a party to a dispute, the rejection of which may lead to a severance of relations or to the use of force.
- unguentum — (in prescriptions) ointment.
- ununtrium — a superheavy, synthetic, radioactive element with a short half-life. Symbol: Uut; atomic number: 113.
- unununium — roentgenium.
- uredinium — Mycology. the fruiting body of the rust fungi that bears urediospores.
- uropygium — the projecting terminal portion of a bird's body, from which the tail feathers spring.