thorian.

Brit.

/ˈθɔːrɪə/, U.S.

/ˈθɔriə/

Etymology: Formed as thorium n. + -a, after alumina, magnesia, silica, etc.

Chemistry.

An oxide of thorium, ThO₂; a very heavy white substance discovered in the mineral thorite by Berzelius, 1828, and named by him in Swedish, Thorjord, German Thorerde, lit. Thor-earth. Now important in the manufacture of incandescent gas mantles. Also attributive.

ΘΚΠ

the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > thorianite

thorina1831

thoria1847

bröggerite1884

thorianite1904

1847 in Webster's Amer. Dict. Eng. Lang.

1881 H. Watts Dict. Chem. VIII. 1967 Thorium Oxide, or Thoria,..is insoluble in dilute acids.

1899 Westm. Gaz. 10 June 6/3 The expiry of the master patent this year, and the thoria patent next spring.

1904 Westm. Gaz. 16 Apr. 7/1 About [1888] experiments on incandescent mantles gave to thoria considerable commercial value. A mantle of pure thoria gives a very little light; but, on the other hand, it gives a stability to the fragile mantle which no other body yet discovered is able to do.

This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022).

单词	thoria
释义	thorian. Brit. /ˈθɔːrɪə/, U.S. /ˈθɔriə/ Etymology: Formed as thorium n. + -a, after alumina, magnesia, silica, etc. Chemistry. An oxide of thorium, ThO₂; a very heavy white substance discovered in the mineral thorite by Berzelius, 1828, and named by him in Swedish, Thorjord, German Thorerde, lit. Thor-earth. Now important in the manufacture of incandescent gas mantles. Also attributive. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > thorianite thorina1831 thoria1847 bröggerite1884 thorianite1904 1847 in Webster's Amer. Dict. Eng. Lang. 1881 H. Watts Dict. Chem. VIII. 1967 Thorium Oxide, or Thoria,..is insoluble in dilute acids. 1899 Westm. Gaz. 10 June 6/3 The expiry of the master patent this year, and the thoria patent next spring. 1904 Westm. Gaz. 16 Apr. 7/1 About [1888] experiments on incandescent mantles gave to thoria considerable commercial value. A mantle of pure thoria gives a very little light; but, on the other hand, it gives a stability to the fragile mantle which no other body yet discovered is able to do. This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2022). < n.1847
随便看	handsewner handsewnest handsfree handsful handshake handshake one's way handshaker handshakes handshaking handshakings handshaped handsignaling handsignalling handsized handsmall handsmiter handsmooth handsold handsome handsome is as handsome does handsome is that handsome does handsome-looking handsomelooking handsomely handsomeness