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Siphonia
(gcide) | Siphonium \Si*pho"ni*um\, n.; pl. Siphonia. [NL., from Gr.
????, dim. of ????. See Siphon.] (Anat.)
A bony tube which, in some birds, connects the tympanium with
the air chambers of the articular piece of the mandible.
[1913 Webster] |
Siphonia
(gcide) | Siphonia \Si*pho"ni*a\, n. [NL.] (Bot.)
A former name for a euphorbiaceous genus (Hevea) of South
American trees, the principal source of caoutchouc.
[1913 Webster] |
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Macrosiphonia longiflora
(gcide) | Flannel flower \Flan"nel flow`er\ (Bot.)
(a) The common mullein.
(b) A Brazilian apocynaceous vine ({Macrosiphonia
longiflora}) having woolly leaves.
(c) An umbelliferous Australian flower ({Actinotus
helianthi}), often erroneously thought to be composite.
The involucre looks as if cut out of white flannel.
[Webster 1913 Suppl.] |
Siphonia elastica
(gcide) | Caoutchouc \Caout"chouc\, n. [F. caoutchouc, from the South
American name.]
A tenacious, elastic, gummy substance obtained from the milky
sap of several plants of tropical South America (esp. the
euphorbiaceous tree Siphonia elastica or {Hevea
caoutchouc}), Asia, and Africa. Being impermeable to liquids
and gases, and not readly affected by exposure to air, acids,
and alkalies, it is used, especially when vulcanized, for
many purposes in the arts and in manufactures. Also called
India rubber (because it was first brought from India, and
was formerly used chiefly for erasing pencil marks) and {gum
elastic}. See Vulcanization.
[1913 Webster]
Mineral caoutchouc. See under Mineral.
[1913 Webster] |
Siphoniata
(gcide) | Siphonata \Si`pho*na"ta\, n. pl. [NL.] (Zool.)
A tribe of bivalve mollusks in which the posterior mantle
border is prolonged into two tubes or siphons. Called also
Siphoniata. See Siphon, 2
(a), and Quahaug.
[1913 Webster]Siphoniata \Si*pho`ni*a"ta\, n. pl. [NL.] (Zool.)
Same as Siphonata.
[1913 Webster] |
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