9-letter words that end in ium
- aethalium — a large, plump, pillow-shaped fruiting body of certain myxomycetes, formed by the aggregation of plasmodia into a single functional mass.
- aluminium — Aluminium is a lightweight metal used, for example, for making cooking equipment and aircraft parts.
- americium — a white metallic transuranic element artificially produced from plutonium. It is used as an alpha-particle source. Symbol: Am; atomic no: 95; half-life of most stable isotope, 243Am: 7.4 × 103 years; valency: 2,3,4,5, or 6; relative density: 13.67; melting pt: 1176°C; boiling pt: 2607°C (est)
- anthodium — the flower head or bracts of a composite plant, as in daisies or asters
- anthurium — any of various tropical American aroid plants constituting the genus Anthurium, many of which are cultivated as house plants for their showy foliage and their flowers, which are borne in a long-stalked spike surrounded by a flaring heart-shaped white or red bract
- arbitrium — the power to decide
- asplenium — any fern of the very large genus Asplenium, of worldwide distribution. Some, esp the bird's nest fern (A. nidus), are grown as greenhouse or house plants for their decorative evergreen fronds: family Polypodiaceae
- bacterium — Bacterium is the singular of bacteria.
- berkelium — a metallic transuranic element produced by bombardment of americium. Symbol: Bk; atomic no: 97; half-life of most stable isotope, 247Bk: 1400 years; valency: 3 or 4; relative density: 14 (est)
- beryllium — a corrosion-resistant toxic silvery-white metallic element that occurs chiefly in beryl and is used mainly in X-ray windows and in the manufacture of alloys. Symbol: Be; atomic no: 4; atomic wt: 9.012; valency: 2; relative density: 1.848; melting pt: 1289°C; boiling pt: 2472°C
- bisellium — an ancient Roman seat of honor for two persons.
- bretylium — a substance, C 18 H 24 BrNO 3 S, used to treat acute ventricular arrhythmias and suppress ventricular fibrillation.
- bromatium — any of the swollen hyphal tips of certain fungi, on which ants can feed.
- bronchium — a medium-sized bronchial tube
- bucranium — (in classical architecture) an ornament, especially on a frieze, having the form of the skull of an ox.
- bullarium — a collection of papal bulls.
- byzantium — an ancient Greek city on the Bosporus: founded about 660 bc; rebuilt by Constantine I in 330 ad and called Constantinople; present-day Istanbul
- caldarium — (in ancient Rome) a room for taking hot baths
- calvarium — the upper, domed part of the skull
- carbenium — (organic chemistry, informal) Any carbocation.
- carbonium — a transient, positively charged organic ion, as H3C+, R3+, that has one less electron than the corresponding free radical
- cavaedium — atrium (def 1a).
- centurium — A rejected name for fermium.
- cerastium — any of a genus of plants belonging to the family Caryophyllaceae
- coccidium — any parasitic protozoan of the order Coccidia
- coenobium — a monastery or convent
- collegium — (in the former Soviet Union) a board in charge of a department
- colluvium — a mixture of rock fragments from the bases of cliffs
- collyrium — any medicated preparation for the eyes; eyewash
- columbium — niobium
- contagium — the specific virus or other direct cause of any infectious disease
- cormidium — a collection of polyps in a siphonophore
- criterium — a bicycle road race, consisting of numerous laps of a short closed circuit
- ctenidium — one of the comblike respiratory gills of molluscs
- cymbidium — a genus, Cymbidium, of subtropical and tropical orchids native to Australia and Asia, having boat-shaped showy flowers
- cystidium — (in certain basidiomycetous fungi) one of the large, inflated, sterile cells growing between the basidia and usually projecting beyond them.
- decennium — decade (sense 2)
- deliquium — loss of consciousness; fainting
- dentalium — any scaphopod mollusc of the genus Dentalium
- desmodium — a genus of flowering plant, with usually unobtrusive flowers; many members are considered weeds, such as the beggarweed (Desmodium tortuosum)
- deuterium — a stable isotope of hydrogen, occurring in natural hydrogen (156 parts per million) and in heavy water: used as a tracer in chemistry and biology. Symbol: D or 2H; atomic no: 1; atomic wt: 2.014; boiling pt: –249.7°C
- diacodium — (in pre-modern medicine) a herbal remedy made chiefly from poppies, acting as an opiate and thus used to aid sleep
- diazonium — of, consisting of, or containing the group, Ar-N:N-, where Ar is an aryl group
- dichasium — a cymose inflorescence in which each branch bearing a flower gives rise to two other flowering branches, as in the stitchwort
- dilithium — A fictional crystalline mineral in the Star Trek franchise, described as an essential component of anti-matter energy generation systems.
- diverbium — the spoken part of an ancient Roman drama.
- drepanium — a type of flower cluster shaped like a sickle
- ectropium — Ectropion.
- effluvium — a slight or invisible exhalation or vapor, especially one that is disagreeable or noxious.
- elaterium — a greenish sediment prepared from the juice of the squirting cucumber, used as a purgative
On this page, we collect all 9-letter words ending in IUM. It’s easy to find right word with a certain length. It is the easiest way to find 9-letter word that ends in IUM to use in Scrabble or Crossword puzzles.