Lõi Quỷ
Vietnamese
![](Images/wiktionary/Partially-reflected-plutonium-sphere.jpeg.webp)
Pronunciation
- (Hà Nội) IPA(key): [lɔj˦ˀ˥ kwi˧˩]
- (Huế) IPA(key): [lɔj˧˨ kwɪj˧˨]
- (Hồ Chí Minh City) IPA(key): [lɔj˨˩˦ wɪj˨˩˦]
Proper noun
Lõi Quỷ
- Demon core, a spherical subcritical mass of plutonium manufactured during World War II by the United States as a fissile core for an early atomic bomb