oxyhelium
Chemistry
noun
A mixture of oxygen and helium, used as a breathing mixture in deep-sea diving.
Origin
1960s.
- subinfeudatory
- subingression
- subinhibitory
- subintellection
- subintelligence
- sub-intention
- subintentional
- subintentioned
- subinterval
- subintrant
- subintroduced
- subinvariant
- subinvoluted
- subinvolution
- subirrigate
- subirrigated
- subirrigation
- subitane
- subitaneous
- sub-item
- subitise
- subitize
- subito
- subj.
- subjacency