BETULIN
\bɪtjˈʊlɪn], \bɪtjˈʊlɪn], \b_ɪ_t_j_ˈʊ_l_ɪ_n]\
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A substance of a resinous nature, obtained from the outer bark of the common European birch (Betula alba), or from the tar prepared therefrom; - called also birch camphor.
By Oddity Software
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A substance of a resinous nature, obtained from the outer bark of the common European birch (Betula alba), or from the tar prepared therefrom; - called also birch camphor.
By Noah Webster.
By Henderson, I. F.; Henderson, W. D.
By Willam Alexander Newman Dorland
