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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Merriam-Webster unabridged
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Time Traveler for ambrein
The first known use of ambrein was in 1828
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