One of the mysteries of the English language finally explained.
A strongly basic crystalline compound, used in organic synthesis.
An imide derived from urea; chemical formula: HNC(NH₂)₂
- ‘Galega officinalis is rich in guanidine, the hypoglycemic component.’
- ‘Although a molecule of guanidine contains only five hydrogen atoms, it can effectively store nine by extracting hydrogen from the water recovered from the exhaust.’
- ‘When guanidine hydrochloride is present these complexes dissociate into smaller units.’
- ‘RNA extraction was performed by the guanidine hydrochloride method.’
- ‘However, experience with guanidine and biguanides prompted the development of metformin.’
Mid 19th century: from guano + -ide + -ine.
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