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单词 bariopyrochlore
释义

bariopyrochloren.

Brit. /ˌbɛːrɪəʊˈpʌɪrə(ʊ)klɔː/, /ˌbarɪəʊˈpʌɪrə(ʊ)klɔː/, U.S. /ˌbɛrioʊˈpaɪroʊˌklɔr/
Origin: Formed within English, by compounding. Etymons: barium n., -o- connective, pyrochlore n.
Etymology: < barium n. + -o- connective + pyrochlore n.
Mineralogy.
A mineral of the pyrochlore group consisting of a basic niobate of barium (usually containing some strontium and tantalum) which belongs to the cubic crystal system and occurs as yellow or white octahedral crystals. Also called pandaite.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > pyrochlore or microlite
pyrochlore1830
microlite1835
neotantalite1903
pandaite1959
bariopyrochlore1977
1977 D. D. Howarth in Amer. Mineralogist 62 407 Pandaite..is a synonym for bariopyrochlore. The name should be dropped.
2001 Canad. Mineralogist 39 1075/1 A concentrate of bariopyrochlore with BaO up to 19%..from Araxá was used.
This is a new entry (OED Third Edition, December 2005; most recently modified version published online December 2021).
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n.1977
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