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1[mass noun] A weakly acidic crystalline compound made as an intermediate in the production of ammonia.
- ‘It re-examined the approval to import and manufacture soluble concentrates containing hydrogen cyanamide to ensure existing controls were adequate to address potential risks.’
- ‘Under this scenario, dormancy-breaking chemicals (such as hydrogen cyanamide, HC) enhance budbreak by diminishing the duration of suppression.’
- ‘Yabuki et al. described a novel metabolite with a different ring-opening pattern leading to a cyanamide.’
- ‘Enzymatic activity in extracts of a soil fungus, Myrothecium verrucaria, hydrates the nitrile group of cyanamide with formation of urea.’
- ‘Hydrogen cyanamide reduced fruit set in the first year but not the second.’
- 1.1A salt of cyanamide containing the anion CN22−, especially the calcium salt used as a fertilizer.
- ‘The reactivity of the nitrile functional group in calcium cyanamide makes it as a chief industrial raw material.’
- ‘No information is available on the reproductive or developmental effects of calcium cyanamide in humans or animals.’
Mid 19th century: blend of cyanogen and amide.
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