oxyhelium
Chemistry
noun
A mixture of oxygen and helium, used as a breathing mixture in deep-sea diving.
Origin
1960s.
- phototachometer
- phototachymeter
- phototachymetric
- phototactic
- phototaxis
- phototelegram
- phototelegraph
- phototelegraphic
- phototelegraphy
- phototelephony
- photo-telescope
- phototheodolite
- phototherapeutic
- phototherapeutic keratectomy
- phototherapeutics
- phototherapy
- photothermic
- phototimer
- phototonic
- phototopographer
- phototopographic
- phototopographical
- phototopography
- phototoxic
- phototoxicity