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formamidine

noun
form·​am·​i·​dine | \fȯrˈmaməˌdēn, -də̇n\
plural -s

Definition of formamidine 

: an unstable base HC(=NH)NH2 known only in the form of its salts and other derivatives

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History and Etymology for formamidine

International Scientific Vocabulary formamide + -ine

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