8-letter words that end in um
- gynecium — gynoecium.
- helenium — An American plant of the daisy family that bears many red to yellow flowers, each having a prominent central disk.
- hog plum — yellow mombin.
- hum-drum — lacking variety; boring; dull: a humdrum existence.
- humstrum — a musical instrument that is of crude construction or out of tune
- hymenium — the sporogenous layer in a fungus, composed of asci or basidia often interspersed with various sterile structures, as paraphyses.
- hypogeum — Ancient Architecture. the underground part of a building, as a vault.
- illicium — (ichthyology) The modified dorsal fin on the head of anglerfish, acting as a lure.
- illinium — promethium. Symbol: Il.
- illuvium — the material accumulated through illuviation.
- imperium — command; supreme power.
- indicium — indicia (def 2).
- indusium — Botany, Mycology. any of several structures having a netlike or skirtlike shape, as the membranous overgrowth covering the sori in ferns.
- ingenium — genius; talent
- inoculum — the substance used to make an inoculation.
- kara kum — a desert S of the Aral Sea, largely in Turkmenistan. About 110,000 sq. mi. (284,900 sq. km).
- khartoum — a region in N Africa, S of the Sahara and Libyan deserts, extending from the Atlantic to the Red Sea.
- kino gum — the reddish or black, catechulike inspissated juice or gum of certain tall trees belonging to the genus Pterocarpus, of the legume family, native to India and Sri Lanka, used in medicine, tanning, etc.
- labdanum — a resinous juice that exudes from various rockroses of the genus Cistus: used in perfumery, fumigating substances, etc.
- labellum — the petal of an orchid that differs more or less markedly from the other petals, often forming the most conspicuous part; the lip.
- laburnum — any of several small trees belonging to the genus Laburnum, of the legume family, having elongated clusters of pendulous yellow flowers, especially L. alpinum, the Scotch laburnum.
- lararium — (in an ancient Roman home) a shrine for the Lares.
- laudanum — a tincture of opium.
- linoleum — a hard, washable floor covering formed by coating burlap or canvas with linseed oil, powdered cork, and rosin, and adding pigments to create the desired colors and patterns.
- lixivium — the solution, containing alkaline salts, obtained by leaching wood ashes with water; lye.
- lump sum — money: one-off payment
- lutecium — a trivalent rare-earth element. Symbol: Lu; atomic weight: 174.97; atomic number: 71.
- lutetium — a trivalent rare-earth element. Symbol: Lu; atomic weight: 174.97; atomic number: 71.
- lygodium — (botany) Any of the genus Lygodium of climbing ferns.
- macallum — an ice cream with raspberry sauce
- masurium — technetium
- meconium — the first fecal excretion of a newborn child, composed chiefly of bile, mucus, and epithelial cells.
- mellitum — mellite.
- mezereum — a shrub, Daphne mezereum, native to Eurasia, having clusters of fragrant purplish flowers.
- momentum — force or speed of movement; impetus, as of a physical object or course of events: The car gained momentum going downhill. Her career lost momentum after two unsuccessful films.
- motorium — the area of the brain or nervous system involved in movement
- mutandum — a thing which is to be changed
- mycelium — the mass of hyphae that form the vegetative part of a fungus.
- myoporum — any of several shrubs or trees of the genus Myoporum, chiefly of Australia and New Zealand, cultivated in warm regions as hedges or ornamentals.
- nebulium — a hypothetical element once thought to be present in emission nebulae because of certain unidentified spectral lines, now known to be forbidden transitions of oxygen and nitrogen ions.
- new chum — a recent British immigrant
- ngultrum — a paper money, cupronickel coin, and monetary unit of Bhutan, equal to 100 chetrums.
- nihonium — a highly radioactive element, of which only a few atoms have ever been produced. Symbol: Nh; atomic no: 113; atomic wt: 286
- nobelium — a transuranic element in the actinium series. Symbol: No; atomic number: 102.
- notandum — (chiefly, in the plural) Something to be noted or observed; a notable fact.
- oblongum — (geometry, archaic) A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis.
- oil drum — a metal drum used to contain or transport oil
- old chum — a person who is experienced, esp in life in colonial Australia
- olibanum — frankincense.
- ommateum — compound eye.