oxygen
Concise Oxford English Dictionary © 2008 Oxford University Press:
oxygen/ˈɒksɪʤən/
▶noun the chemical element of atomic number 8, a colourless, odourless reactive gas that forms about 20 per cent of the earth's atmosphere and is essential to plant and animal life. (Symbol: O)
– derivatives
oxygenic adjective,
oxygenous adjective.
oxygenic adjective,
oxygenous adjective.
– origin C18: from Fr. (principe) oxygène ‘acidifying constituent’ (because at first it was held to be the essential component of acids).
'oxygen' also found in these Oxford entries:
aerobe
- aerobic
- air
- altitude sickness
- anaerobe
- anaerobic
- anoxia
- asphyxia
- autoxidation
- backdraught
- bag
- basic oxygen process
- benzoquinone
- blood
- BOD
- borate
- carbohydrate
- chromate
- combustion
- deoxygenate
- dideoxyinosine
- dioxide
- doxorubicin
- dystrophic
- epoxide
- equivalent
- erythrocyte
- erythropoietin
- ether
- eudiometer
- eutrophic
- faint
- ferrate
- fire
- free
- gill
- haemocyanin
- haemoglobin
- hypoxaemia
- hypoxia
- lance
- lox
- lung
- manganate
- methaemoglobin
- molybdate
- monoxide
- mudminnow
- myoglobin
- nitric oxide
