释义 |
axion noun[ C ] physics specializeduk /ˈæk.si.ɒn/ us /ˈæk.si.ɑːn/ a kind of elementary particle(= one of the simplest forms of all matter) that is believed to exist and be a part of dark matter(= a substance in space that does not give off any light): 轴子 Little is known about axions, which is why they are believed to make up the mysterious substance known as dark matter.人们对轴子知之甚少,这就是为什么人们认为轴子组成了被称为暗物质的神秘物质。 Researchers at many different laboratories are experimenting with efforts to detect the axion, but so far there has been no success. Axions are thought to be extremely lightweight particles that are produced by the sun and then projected into space. SMART Vocabulary: related words and phrases Physics: atoms, molecules & sub-atomic particles acceptor alpha particle anti-radical antilepton antimatter antineutrino beta decay beta particle Higgs boson interatomic interelectronic interionic intermolecular monatomic multi-molecular multiparticle muon neutrino positron relative atomic mass |