反氘

fǎndāo
  1. (particle physics) antideuterium
  2. antideuterium

Wiktionary

Entry Composition

=1 反 fǎn
  1. contrary
  2. in reverse
  3. inside out or upside down
  4. to reverse
  5. to return
  6. to oppose
  7. opposite
  8. against
  9. anti-
  10. to rebel
  11. to use analogy
  12. instead
  13. abbr. for 反切 fǎnqiè phonetic system
=1 反 fàn
  1. (music) Cantonese opera gongche notation for the note fa (4).
  2. Cantonese opera gongche notation for the note fa (4).
  3. alternative form of 販 /贩 (fàn)
  4. used in 反反
2 氘 dāo
  1. deuterium 2H
  2. heavy hydrogen, isotope of hydrogen having 1 neutron in its nucleus, so atomic weight 2