Plural of antinucleon; multiple antimatter counterparts of nucleons.
Plural form of antinucleon, following standard English pluralization of physics terminology.
Detecting even a few antinucleons is extraordinarily difficult because they annihilate instantly when they encounter regular matter—which is why scientists were amazed to discover that the early universe created equal amounts of matter and antimatter.
Complete word intelligence in one call. Free tier — 50 lookups/day.