英语词汇thoro-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

thoro-|ˈθɔərəʊ|combining form of thorium, in names of compound salts, minerals, etc. e.g. thoroˈgummite Min. [gummite: see quot. 1889], a hydrated thorosilicate of uranium; thoroˈsilicate Chem., a silicate in which part of the silicon is replaced by thorium.1889Amer. Jrnl. Sc. & Art XXXVIII. 481 We name this mineral thoro-gummite, because it is a gummite in which the water has been replaced by the thorite molecule.Ibid. 480 It seems better to regard the mineral as a hydrated thoro-silicate of uranium, rather than as a urano-silicate of thorium.1909Cent. Dict. Supp., Thorogummite..like other native compounds of thorium and uranium, has marked radio-active properties.

thoro- /ˈθɔ:rəʊ/ combining form of thorium: see -o-.

DERIVATIVE thoroˈgummite noun [gummite] Mineralogy a tetragonal basic silicate of thorium, usu. also containing uranium, and occurring as microcrystalline aggregates, usu. yellowish-brown or greenish-grey L19.
Thorotrast noun [con)trast noun] Medicine. (US proprietary name for) a colloidal solution of thorium dioxide used (esp. formerly) as a contrast medium in radiography M20.

词汇	thoro-
词根词缀	OED SOED thoro-\|ˈθɔərəʊ\|combining form of thorium, in names of compound salts, minerals, etc. e.g. thoroˈgummite Min. [gummite: see quot. 1889], a hydrated thorosilicate of uranium; thoroˈsilicate Chem., a silicate in which part of the silicon is replaced by thorium.1889Amer. Jrnl. Sc. & Art XXXVIII. 481 We name this mineral thoro-gummite, because it is a gummite in which the water has been replaced by the thorite molecule.Ibid. 480 It seems better to regard the mineral as a hydrated thoro-silicate of uranium, rather than as a urano-silicate of thorium.1909Cent. Dict. Supp., Thorogummite..like other native compounds of thorium and uranium, has marked radio-active properties. thoro- /ˈθɔ:rəʊ/ combining form of thorium: see -o-. DERIVATIVE thoroˈgummite noun [gummite] Mineralogy a tetragonal basic silicate of thorium, usu. also containing uranium, and occurring as microcrystalline aggregates, usu. yellowish-brown or greenish-grey L19. Thorotrast noun [con)trast noun] Medicine. (US proprietary name for) a colloidal solution of thorium dioxide used (esp. formerly) as a contrast medium in radiography M20.
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