thoria

[ thawr-ee-uh, thohr- ]

/ ˈθɔr i ə, ˈθoʊr- /

noun Chemistry.

a white, heavy, water-insoluble powder, ThO2, used chiefly in incandescent mantles, as the Welsbach gas mantle.

Also called thorium oxide, thorium dioxide.

Origin of thoria

First recorded in 1835–45; thori(um) + -a⁴

Words nearby thoria

Thorazine, Thoreau, Thoreau, Henry David, Thorez, Thorfinn Karlsefni, thoria, thorianite, thorite, thorium, thorium dioxide, thorium series

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for thoria

With thoria the shrinkage is smaller than with any other known substance, and it possesses very high refractory powers.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6|Various
Thoria which has been ignited is not readily soluble in acids.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Much the best practical source of helium is thorianite, a mineral imported from Ceylon for the manufacture of thoria.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2|Various
Dissolve; and from the hydrochloric acid solution precipitate the thoria (if any) with ammonium oxalate.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer

British Dictionary definitions for thoria

thoria

/ (ˈθɔːrɪə) /

noun

another name for thorium dioxide

Word Origin for thoria

C19: thorium + -a, on the model of magnesia

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	thoria
释义	thoria [ thawr-ee-uh, thohr- ] / ˈθɔr i ə, ˈθoʊr- / noun Chemistry. a white, heavy, water-insoluble powder, ThO2, used chiefly in incandescent mantles, as the Welsbach gas mantle. Also called thorium oxide, thorium dioxide. Origin of thoria First recorded in 1835–45; thori(um) + -a⁴ Words nearby thoria Thorazine, Thoreau, Thoreau, Henry David, Thorez, Thorfinn Karlsefni, thoria, thorianite, thorite, thorium, thorium dioxide, thorium series Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for thoria With thoria the shrinkage is smaller than with any other known substance, and it possesses very high refractory powers. Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6\|Various Thoria which has been ignited is not readily soluble in acids. A Textbook of Assaying: For the Use of Those Connected with Mines.\|Cornelius Beringer and John Jacob Beringer Much the best practical source of helium is thorianite, a mineral imported from Ceylon for the manufacture of thoria. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2\|Various Dissolve; and from the hydrochloric acid solution precipitate the thoria (if any) with ammonium oxalate. A Textbook of Assaying: For the Use of Those Connected with Mines.\|Cornelius Beringer and John Jacob Beringer British Dictionary definitions for thoria thoria / (ˈθɔːrɪə) / noun another name for thorium dioxide Word Origin for thoria C19: thorium + -a, on the model of magnesia Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
随便看	grampian grampian mountains grampian region grampians gram-positive gramps grampus gram-schmidt orthogonalization gramsci gram's method gram's solution gram's stain gram-variable gran grana granada granadilla granados grana padano granary granary weevil granby gran canaria gran cassa gran chaco