from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A mixture of nitrous oxide and oxygen used as an analgesic, especially during labour.


Sorry, no etymologies found.


  • Lyndsay Pegg, who has a history of physical and mental illness, took the painkilling substance called Entonox while on duty.


  • Though it turns out that the company that sells me oxygen also sells Entonox which is a mix of oxygen and nitrous oxide laughing gas so I get pain killer AND oxygen.

    People act as if I will explode and shower goo on them. Why?

  • Now Entonox is a mixture of nitrous oxide and oxygen, regularly known as 'gas and air', and more commonly identified to the layman as 'laughing gas'.

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  • Instead of letting me go to the toilet, the midwives promptly set up the Entonox, gave me a mask and told me to breathe through it, and they called my poor doctor back.

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  • "Entonox parties" with his colleagues at Ormskirk Hospital.


  • Dr Chahal, 34, used the medical anaesthetic Entonox from a gas canister on five occasions during the summer of 2007, four of which were while he was on duty.


  • He also persuaded seven nurses to inhale Entonox - frequently administered in childbirth to alleviate pain - at the same time as him.

    Your Local Guardian | Wimbledon

  • Jonathan Chahal potentially put the safety of his patients at risk while inhaling Entonox with a number of colleagues at Ormskirk General Hospital.

    Your Local Guardian | Wimbledon

  • Entonox, the gas for pain relief they give to mothers in childbirth, is at the ready but I don't need it - and I have declined the offer of sedation because there is no one to take me home. - Telegraph online, Daily Telegraph and Sunday Telegraph

  • Panel chair Nicola Bastin said: "Miss Pegg not only incapacitated herself but she must have created a situation where Entonox might not have been available for a patient."



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