Betula alba

Betula alba
Betulin Bet"u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound ({C30H50O2}) having a cyclopentanophenanthrene ring system, which is the main constituent of that extract, and which may be obtained crystalline; -- called also {birch camphor}. --Watts. [1913 Webster +PJC]

The Collaborative International Dictionary of English. 2000.

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  • Betula alba — Birch Birch (b[ e]rch), n.; pl. {Birches} ( [e^]z). [OE. birche, birk, AS. birce, beorc; akin to Icel. bj[ o]rk, Sw. bj[ o]rk, Dan. birk, D. berk, OHG. piricha, MHG. birche, birke, G. birke, Russ. bereza, Pol. brzoza, Serv. breza, Skr. bh[=u]rja …   The Collaborative International Dictionary of English

  • Betula alba — Birch Birch (b[ e]rch), n.; pl. {Birches} ( [e^]z). [OE. birche, birk, AS. birce, beorc; akin to Icel. bj[ o]rk, Sw. bj[ o]rk, Dan. birk, D. berk, OHG. piricha, MHG. birche, birke, G. birke, Russ. bereza, Pol. brzoza, Serv. breza, Skr. bh[=u]rja …   The Collaborative International Dictionary of English

  • BETULA ALBA — БЕТУЛЯ АЛЬБА — Исходное растение. Betula pendula Roth Береза повислая.Синонимы. Betula alba L. p. p. auct., B. verrucosa Ehrh.Сем. Betulaceae Березовые.Распространение. Одна из самых обычных древесных пород, растет в лесной и лесостепной зоне Европ. ч. СССР и… …   Справочник по гомеопатии

  • Betula alba — Bouleau Wikipédia …   Wikipédia en Français

  • Betula alba L. — Symbol BEPUP5 Synonym Symbol BEAL3 Botanical Family Betulaceae …   Scientific plant list

  • Betula alba L. var. commutata Regel — Symbol BEPAP Synonym Symbol BEALC Botanical Family Betulaceae …   Scientific plant list

  • Betula alba L. var. cordifolia (Regel) Regel — Symbol BEPAC2 Synonym Symbol BEALC2 Botanical Family Betulaceae …   Scientific plant list

  • Betula alba L. var. cordifolia (Regel) Regel — Symbol BEPAC2 Synonym Symbol BEALC2 Botanical Family Betulaceae …   Scientific plant list

  • Betula pubescens — Scientific classification Kingdom: Plantae (unranked) …   Wikipedia

  • Betula aetnensis —   Abedul del Etna Betula aetnensis …   Wikipedia Español

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