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[mass noun] A flammable gaseous synthetic compound whose molecule contains a ring of three carbon atoms. It has some use as a general anaesthetic.
- ‘The simplest compound is cyclopropane, but its non-tetrahedral bond angles within the ring severely strain it, and it is very unstable.’
- ‘The iodomethyl zinc iodide reacts with an alkene to give a cyclopropane.’
- ‘The 1930s saw the introduction of new inhalational agents, notably cyclopropane, so potent that it could be given with a high percentage of oxygen, and as a result valuable for the developing surgery for lung disease.’
- ‘I then used the moles of cyclopropane in the lipids and the lipid solubility coefficient to calculate body lipid mass.’
- ‘This mixture of cyclopropane, with its faintly sweet petrol-like smell, and oxygen, which has no smell, seeped silently out of the end of the tube just beneath the boy's nose.’
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