7-letter words that end in um
- stannum — tin.
- sternum — Anatomy, Zoology. a bone or series of bones extending along the middle line of the ventral portion of the body of most vertebrates, consisting in humans of a flat, narrow bone connected with the clavicles and the true ribs; breastbone.
- stewbum — a drunken bum.
- stibium — antimony.
- stickum — any adhesive substance.
- stomium — the part of the sporangium of ferns that ruptures to release the spores
- stratum — a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancient foundations.
- tantrum — a violent demonstration of rage or frustration; a sudden burst of ill temper.
- tapetum — Botany. a layer of cells often investing the archespore in a developing sporangium and absorbed as the spores mature.
- te deum — (italics) an ancient Latin hymn of praise to God, in the form of a psalm, sung regularly at matins in the Roman Catholic Church and, usually, in an English translation, at Morning Prayer in the Anglican Church, as well as on special occasions as a service of thanksgiving.
- terbium — a rare-earth, metallic element present in certain minerals and yielding colorless salts. Symbol: Tb; atomic number: 65; atomic weight: 158.924; specific gravity: 8.25.
- thecium — hymenium.
- thorium — a grayish-white, lustrous, somewhat ductile and malleable, radioactive metallic element present in monazite: used as a source of nuclear energy, as a coating on sun-lamp and vacuum-tube filament coatings, and in alloys. Symbol: Th; atomic weight: 232.038; atomic number: 90; specific gravity: 11.7.
- thulium — a rare-earth metallic element found in the minerals euxenite, gadolinite, etc. Symbol: Tm; atomic weight: 168.934; atomic number: 69; specific gravity: 9.32.
- triduum — a series of special religious observances over a three-day period, in preparation for a great feast.
- trinkum — a trinket or bauble
- tritium — an isotope of hydrogen having an atomic weight of three.
- trivium — (during the Middle Ages) the lower division of the seven liberal arts, comprising grammar, rhetoric, and logic.
- uranium — a white, lustrous, radioactive, metallic element, occurring in pitchblende, and having compounds that are used in photography and in coloring glass. The 235 isotope is used in atomic and hydrogen bombs and as a fuel in nuclear reactors. Symbol: U; atomic weight: 238.03; atomic number: 92; specific gravity: 19.07.
- uredium — uredinium.
- vitreum — (in prescriptions) glass.
- yttrium — a rare trivalent metallic element, found in gadolinite and other minerals. Symbol: Y; atomic weight: 88.905; atomic number: 39; specific gravity: 4.47.
- zoarium — a collection of distinct, individual zooids that make up a compound or colonial organism.