noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An atomic nucleus, an isotope of hydrogen which contains one proton and at least one uncharged lambda hyperon. uncountable

Etymology

From hyper- + hydrogen.

Related phrases

atomic nucleuslambda hyperon

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.