Thorium

Definition: Thorium

Thorium

Noun

1. A soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands.

Etymology: Thorium \Tho"ri*um\, noun. [New Latin expression. See Thorite.]. (Websters 1913)

Specialty Definitions: Thorium

Domain	Definitions
Chemistry	Chemical element:atomic number 90. Source: European Union. (references)
Health	Thorium. A radioactive element of the actinide series of metals. It has an atomic symbol Th, atomic number 90, and atomic weight 232.04. It is used as fuel in nuclear reactors to produce fissionable uranium isotopes. Because of its radioopacity, various thorium compounds are used to facilitate visualization in roentgenography. (references)
Nuclear Energy & Physics	A metal that emits electrons liberally when heated. Source: European Union. (references)
Source: compiled by the editor from various references; see credits.

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Synonym: Thorium

Synonym: atomic number 90 (n). (additional references)

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Crosswords: Thorium

English words defined with "thorium": astatine, At, atomic number 85 ♦ Eschynite ♦ monazite ♦ pitchblende ♦ radiothorium ♦ Thoria, thoriate, Thoric, thorite, thorium-228 ♦ uraninite ♦ Wasium, Welsbach burner. (references)

Specialty definitions using "thorium": Airborne Snow Water Equivalent Measurement Theory ♦ blakeite ♦ cerhomilite ♦ gamma-ray spectrometer, gamma-ray spectrometer log, GAMMA-RAY SPECTROSCOPY ♦ Mill tailings ♦ radioactive dusts, radioactive mineral, radioactive series ♦ Source material ♦ Terrestrial radiation, ThO2, thorian uraninite, thoriated tungsten cathode, thoriated-tungsten cathode, thorin, Thorium Compounds, Thorium Dioxide, thorium disintegration series, thorium nitride, thorium oxide, thorium series, thorium sulfides, toxic dusts ♦ urania ceramics, uranothorianite. (references)

Etymologies containing "thorium": Mesothorium. (references)

Non-English Usage: "Thorium" is also a word in the following languages with English translations in parentheses.

Dutch (thorium), French (thorium), German (thorium).

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Commercial Usage: Thorium

Domain	Title
References	The 2000 Import and Export Market for Ores and Concentrates of Uranium and Thorium in Africa (reference) The 2002 World Forecasts of Ores and Concentrates of Uranium and Thorium Export Supplies (reference) The 2003 World Forecasts of Ores and Concentrates of Uranium and Thorium Export Supplies (reference) The World Market for Uranium and Its Compounds Depleted in U235; Thorium and Its Compounds and Alloys; and Other Products Containing Uranium Depleted in U235 or Thorium: A 2004 Global Trade Perspective (reference) (more reference examples)

Books	Geochemical Prospecting for Thorium and Uranium Deposits (reference) The 2000 Import and Export Market for Ores and Concentrates of Uranium and Thorium in Africa [DOWNLOAD: ADOBE READER] (reference) Thorium, preparation and properties (reference) (more book examples)
Source: compiled by the editor from various references; see credits.

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Non-Fiction Usage: Thorium

Subject	Topic	Quote
Economic History	India	Natural resources: Coal, iron ore, manganese, mica, bauxite, chromite, thorium, limestone, barite, titanium ore, diamonds, crude oil. (references)
Source: compiled by the editor from ICON Group International, Inc.; see credits.

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Usage Frequency: Thorium

"Thorium" is generally used as a noun (singular) -- approximately 100.00% of the time. "Thorium" is used about 16 times out of a sample of 100 million words spoken or written in English. Its rank is based on over 700,000 words used in the English language. Some parts-of-speech are not covered due to the samples used by the British National Corpus. (note: percents less than one-hundredth of one percent have been omitted)

Parts of Speech	Percent	Usage per 100 Million Words	Rank in English
Noun (singular)	100%	16	87,710

Source: compiled by the editor from several corpora; see credits.

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Expressions: Thorium

Expressions using "thorium": Thorium Compounds ♦ Thorium Dioxide ♦ thorium ore ♦ thorium oxide ♦ thorium series. Additional references.
Hyphenated Usage
	Beginning with "thorium": thorium-228.
Source: compiled by the editor from various references; see credits.

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Frequency of Internet Keywords: Thorium

The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com.

Expression	Frequency per Day
thorium	21
nitrate thorium	7
232 thorium	6
226 230 238 radium thorium uranium	3
Source: compiled by the editor from various references; see credits.

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Modern Translations: Thorium

Language		Translations for "thorium"; alternative meanings/domain in parentheses.
Albanian		torium. (various references)

Arabic		‏الثوريوم عنصر فلزي. (various references)

Bulgarian		торий. (various references)

Chinese		釷 , 钍 (Th). (various references)

Danish		thorium. (various references)

Dutch		thorium. (various references)

Esperanto		torio. (various references)

Finnish		torium. (various references)

French		thorium. (various references)

German		Thorium. (various references)

Greek		θόριο. (various references)

Hungarian		tórium. (various references)

Italian		torio. (various references)

Japanese Kanji		トリアセテート繊維 (triacetate fiber). (various references)

Japanese Katakana		トリウム . (various references)

Korean		토륨 (Th). (various references)

Manx		thoriu. (various references)

Pig Latin		oriumthay

Portuguese		tório (ThO2, thoria, thorin, thorium oxide). (various references)

Russian		торий. (various references)

Serbo-Croatian		torijum. (various references)

Spanish		torio. (various references)

Swedish		thorin (ThO2, thoria, thorin, thorium oxide), epitermisk toriumreaktor (epithermal thorium reactor). (various references)

Thai		ธาตุโลหะกัมมันตรังสี มีสีเทาเข้ม มีสัญลักษณ์ Th. (various references)
Source: compiled by the editor from various translation references.

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Derivations & Misspellings: Thorium

Derivations
	Words beginning with "thorium": thoriums. (additional references)
	Words ending with "thorium": radiothorium. (additional references)
	Words containing "thorium": radiothoriums. (additional references)
Misspellings
	"Thorium" is suggested in spellcheckers for the following: Athyrium, Horcum, Hornum, Horreum, phormium, therium, Thiroux, thurian, torim, torium. (additional references)
Source: compiled by the editor, based on several corpora (additional references).

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Rhyming with "Thorium"

# of Phoneme Matches	Pronunciation	Word(s) rhyming with "thorium" (pronounced thÄ"rēum)
4	-r ē u m	aquarium, atrium, auditorium, bacterium, barium, crematorium, delirium, deuterium, disequilibrium, emporium, equilibrium, Herbarium, honorarium, moratorium, opprobrium, planetarium, tellurium, yttrium.
3	-ē u m	alluvium, ammonium, axiom, beryllium, cadmium, calcium, cesium, chromium, colloquium, compendium, condominium, consortium, europium, fermium, gallium, geranium, gonium, gymnasium, hafnium, harmonium, helium, holmium, idiom, indium, iridium, lawrencium, linoleum, lithium, magnesium, medium, millennium, minium, myocardium, nephridium, neptunium, niobium, nobelium, opium, osmium, palladium, pandemonium, paramecium, petroleum, Plasmodium, plutonium, podium, polonium, potassium, premium, presidium, promethium, protium, psyllium, radium, requiem, rhodium, selenium, sodium, stadium, strontium, superpremium, symposium, tedium, thallium, titanium, tritium, uranium, vanadium, zirconium.
Source: compiled by the editor (additional references); see credits.

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Anagrams: Thorium

Scrabble® Enable2K-Verified Anagrams
	Words within the letters "h-i-m-o-r-t-u"
	-2 letters: houri, humor, mirth, mohur, mouth, routh, thrum, tumor.
	-3 letters: hour, hurt, mort, moth, omit, riot, roti, rout, ruth, thio, thir, thou, thro, thru, tiro, tori, tour, trim, trio.
	-4 letters: him, hit, hot, hum, hut, mho, mir, mor, mot, mut, ohm, ort, our, out, rho, rim, rom, rot, rum, rut, tho, tom, tor, tui.
	Words containing the letters "h-i-m-o-r-t-u"
	+1 letter: bothrium, humorist, mouthier, thoriums.
	+2 letters: bothriums, humorists.
	+3 letters: haustorium, humoristic, promethium, rheumatoid.
	+4 letters: euchromatic, euchromatin, hemipterous, multiauthor, nourishment, outcharming, outhomering, outhumoring, outmarching, promethiums, prothallium, rhizomatous, thermoduric.
	+5 letters: automorphism, euchromatins, neurochemist, nourishments, prothalamium, radiothorium, trichotomous.
Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro.