Wiktionary英语词典
收录 1,329,381 个英语单词,来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
R开头单词
(共59,864个)
Ruthenian.
Any cyclic organometallic compound of ruthenium
plural of ruthenacycle
An orthorhombic-dipyramidal mineral containing arsenic, nickel, and ruthenium.
The oxyanion of ruthenium RuO₄²⁻; any salt or mineral containing this anion, formally derived from r...
plural of ruthenate
Any reaction in which a carbon-to-ruthenium bond is formed.
plural of ruthenation
Alternative form of Ruthenian.
plural of Ruthene
The territory between Central and Eastern Europe inhabited by Rusyns, on the slopes of the Carpathia...
Containing ruthenium
plural of Ruthenian
Of or pertaining to ruthenium
The oxyacid or ruthenium (VI) H₂RuO₄
Containing ruthenium.
Pertaining to, or containing, ruthenium
A hexagonal-dihexagonal dipyramidal white mineral containing iridium, osmium, and ruthenium.
plural of rutheniridosmine
A metallic chemical element (symbol Ru) with an atomic number of 44.