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ambrein

noun
am·​brein | \ˈamˌbrān, -brēə̇n\
variants: or less commonly ambrain \ˈamˌbrān, -​brəˌin \
plural -s

Definition of ambrein 

: a crystalline triterpenoid alcohol C30H51OH obtained from ambergris

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First Known Use of ambrein

1828, in the meaning defined above

History and Etymology for ambrein

French ambréine, from ambre amber (from Latin ambra) + -ine -in

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The first known use of ambrein was in 1828

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