| slovo | definícia |
Bursera gummifera
(gcide) | Mastic \Mas"tic\, n. [F., fr. L. mastiche, mastichum, Gr. ?, fr.
? to chew, because of its being used in the East for
chewing.] [Written also mastich.]
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1. (Bot.) A low shrubby tree of the genus Pistacia
(Pistacia Lentiscus), growing upon the islands and
coasts of the Mediterranean, and producing a valuable
resin; -- called also, mastic tree.
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2. A resin exuding from the mastic tree, and obtained by
incision. The best is in yellowish white, semitransparent
tears, of a faint smell, and is used as an astringent and
an aromatic, also as an ingredient in varnishes.
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3. A kind of cement composed of burnt clay, litharge, and
linseed oil, used for plastering walls, etc.
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Barbary mastic (Bot.), the Pistachia Atlantica.
Peruvian mastic tree (Bot.), a small tree (Schinus Molle)
with peppery red berries; -- called also pepper tree.
West Indian mastic (Bot.), a lofty tree ({Bursera
gummifera}) full of gum resin in every part.
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Bursera gummifera
(gcide) | 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. [root]254. Cf. 1st Birk.]
1. A tree of several species, constituting the genus
Betula; as, the white or common birch (Betula alba)
(also called silver birch and lady birch); the dwarf birch
(Betula glandulosa); the paper or canoe birch ({Betula
papyracea}); the yellow birch (Betula lutea); the black
or cherry birch (Betula lenta).
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2. The wood or timber of the birch.
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3. A birch twig or birch twigs, used for flogging.
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Note: The twigs of the common European birch (B. alba), being
tough and slender, were formerly much used for rods in
schools. They were also made into brooms.
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The threatening twigs of birch. --Shak.
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4. A birch-bark canoe.
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Birch of Jamaica, a species (Bursera gummifera) of
turpentine tree.
Birch partridge. (Zool.) See Ruffed grouse.
Birch wine, wine made of the spring sap of the birch.
Oil of birch.
(a) An oil obtained from the bark of the common European
birch (Betula alba), and used in the preparation of
genuine (and sometimes of the imitation) Russia
leather, to which it gives its peculiar odor.
(b) An oil prepared from the black birch (Betula lenta),
said to be identical with the oil of wintergreen, for
which it is largely sold.
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