Words that rhyme with iconium

n 1: a radioactive element of the actinide series; found in uranium ores [syn: actinium, Ac, atomic number 89]

n 1: a silvery ductile metallic element found primarily in bauxite [syn: aluminum, aluminium, Al, atomic number 13]

n 1: the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion [syn: ammonium, ammonium ion]

n 1: a radioactive transuranic element; discovered by bombarding curium with alpha particles [syn: californium, Cf, atomic number 98]

n 1: one of the dwelling units in a condominium [syn: condominium, condo] 2: housing consisting of a complex of dwelling units (as an apartment house) in which each unit is individually owned

n 1: the part of the skull that encloses the brain [syn: cranium, braincase, brainpan]

n 1: a period of 10 years [syn: decade, decennary, decennium]

n 1: any plant of the genus Delphinium having palmately divided leaves and showy spikes of variously colored spurred flowers; some contain extremely poisonous substances

n 1: a radioactive transuranic element produced by bombarding plutonium with neutrons [syn: einsteinium, Es, E, atomic number 99]

n 1: a bass horn (brass wind instrument) that is the tenor of the tuba family

n 1: a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group [syn: gadolinium, Gd, atomic number 64]

n 1: any of numerous plants of the family Geraniaceae

n 1: a brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite [syn: germanium, Ge, atomic number 32]

n 1: a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons [syn: hafnium, Hf, atomic number 72]

n 1: a free-reed instrument in which air is forced through the reeds by bellows [syn: harmonium, organ, reed organ]

n 1: a span of 1000 years [syn: millennium, millenary] 2: (New Testament) in Revelations it is foretold that those faithful to Jesus will reign with Jesus over the earth for a thousand years; the meaning of these words have been much debated; some denominations (e.g. Jehovah's Witnesses) expect it to be a thousand years of justice and peace and happiness 3: the 1000th anniversary (or the celebration of it) [syn: millennium, millenary]

n 1: a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium [syn: neptunium, Np, atomic number 93]

n 1: a state of extreme confusion and disorder [syn: chaos, pandemonium, bedlam, topsy-turvydom, topsy- turvyness]

n 1: a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 [syn: plutonium, Pu, atomic number 94]

n 1: a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor [syn: polonium, Po, atomic number 84]

n 1: the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain) [syn: proscenium, apron, forestage] 2: the wall that separates the stage from the auditorium in a modern theater [syn: proscenium, proscenium wall]

n 1: a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead [syn: protactinium, protoactinium, Pa, atomic number 91]

n 1: a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum [syn: rhenium, Re, atomic number 75]

n 1: a rare polyvalent metallic element of the platinum group; it is found associated with platinum [syn: ruthenium, Ru, atomic number 44]

n 1: a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) [syn: selenium, Se, atomic number 34]

n 1: (medicine) something that can be used as a substitute (especially any medicine that may be taken in place of another)

n 1: a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite [syn: titanium, Ti, atomic number 22]

n 1: a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons [syn: uranium, U, atomic number 92]

n 1: a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon [syn: zirconium, Zr, atomic number 40]

n 1: ancient city; now destroyed

n 1: a reddish oxide of lead (Pb3O4) used as a pigment in paints and in glass and ceramics [syn: red lead, minium]

n 1: small genus of highly toxic biennials: hemlock [syn: Conium, genus Conium]

n 1: thick dark green mucoid material that is the first feces of a newborn child

n 1: the fleshy multiple fruit of the fig consisting of an enlarged hollow receptacle containing numerous fruitlets

n 1: a female sex organ occurring in mosses, ferns, and most gymnosperms

n 1: geraniums native chiefly to South Africa; widely cultivated [syn: Pelargonium, genus Pelargonium]

n 1: in some classification systems placed in family Polypodiaceae [syn: Asplenium, genus Asplenium]

n 1: genus of American herbs with flowers having yellow rays: sneezeweeds [syn: Helenium, genus Helenium]

n 1: spore-bearing layer of cells in certain fungi containing asci or basidia

n 1: a period of four years

n 1: a period of five years