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
O开头单词
(共36,133个)
Archaic form of octahedral.
Alternative spelling of octahedron.
Synonym of octennial (“related to or characterized by an eight-year period”)
plural of octaeteris
octaeteris
英 /ˌɒktaɪˈtɪəɹɪs/
Synonym of octennium: An 8-year period, particularly (historical) in Greek calendrical and astronomi...
Eight ethyl groups in a molecule
The dihydroxy polyether formed from eight molecules of ethylene glycol.
A synthetic analogue of protoporphyrin IX.
The round in eliminations preceding the quarterfinal round; in single-elimination playoffs, this is ...
any fluoride containing eight fluorine atoms in each molecule
plural of octafluoride
Eight fluorine atoms in a compound.
The organofluorine compound C₄F₈, related to cyclobutane by replacement of all C–H bonds with C–F bo...
The fluorocarbon perfluoropropane; a greenhouse gas used in plasma etching, refrigeration, and ultra...
Misspelling of octogenarian.
plural of octagenarian
Any glucoside that has eight glucose units
plural of octaglucoside
Any compound that has eight glutamate groups or anions
plural of octaglutamate