氕 [－]

Jyutping 氕
Pinyin piē

Definitions (Wiktionary)
  1. character
    protium

氕 [－]

Jyutping pit3
Pinyin piē

Definitions (粵典–words.hk)
  1. 名詞
    係​氫​嘅​同位素​之一​，​符號​¹​H​，​又​叫做​「​氫​原子​」​，​原子核​只有​一粒​質子​，​冇​中子
    protium; hydrogen-1
Definitions (Unihan)
  1. hydrogen-1, protium
  2. Cangjie Input
    ONL

氕 [－]

Jyutping
Pinyin piē

Definitions (CC-CEDICT)
  1. protium 1H
  2. light hydrogen, the most common isotope of hydrogen, having no neutron, so atomic weight 1