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Conjoint tetrachordsConjoint Con*joint", a. [F. conjoint, p. p. of conjoindre. See
Conjoin, and cf. Conjunct.]
United; connected; associated. ``Influence conjoint.'
--Glover.
Conjoint degrees (Mus.), two notes which follow each other
immediately in the order of the scale, as ut and re.
--Johnson.
Conjoint tetrachords (Mus.), two tetrachords or fourths,
where the same note is the highest of one and the lowest
of the other; -- also written conjunct. Disjunct tetrachordsDisjunct Dis*junct", a. [L. disjunctus, p. p. of disjungere to
disjoin. See Disjoin, and cf. Disjoint.]
1. Disjoined; separated. [R.]
2. (Zo["o]l.) Having the head, thorax, and abdomen separated
by a deep constriction.
Disjunct tetrachords (Mus.), tetrachords so disposed to
each other that the gravest note of the upper is one note
higher than the acutest note of the other. Erica TetralixHeather Heath"er (?; 277. This is the only pronunciation in
Scotland), n. [See Heath.]
Heath. [Scot.]
Gorse and grass And heather, where his footsteps pass,
The brighter seem. --Longfellow.
Heather bell (Bot.), one of the pretty subglobose flowers
of two European kinds of heather (Erica Tetralix, and
E. cinerea). G TetrahitHemp Hemp (h[e^]mp), n. [OE. hemp, AS. henep, h[ae]nep; akin
to D. hennep, OHG. hanaf, G. hanf, Icel. hampr, Dan. hamp,
Sw. hampa, L. cannabis, cannabum, Gr. ka`nnabis, ka`nnabos;
cf. Russ. konoplia, Skr. [,c]a[.n]a; all prob. borrowed from
some other language at an early time. Cf. Cannabine,
Canvas.]
1. (Bot.) A plant of the genus Cannabis (C. sativa), the
fibrous skin or bark of which is used for making cloth and
cordage. The name is also applied to various other plants
yielding fiber.
2. The fiber of the skin or rind of the plant, prepared for
spinning. The name has also been extended to various
fibers resembling the true hemp.
African hemp, Bowstring hemp. See under African, and
Bowstring.
Bastard hemp, the Asiatic herb Datisca cannabina.
Canada hemp, a species of dogbane (Apocynum cannabinum),
the fiber of which was used by the Indians.
Hemp agrimony, a coarse, composite herb of Europe
(Eupatorium cannabinum), much like the American boneset.
Hemp nettle, a plant of the genus Galeopsis (G.
Tetrahit), belonging to the Mint family.
Indian hemp. See under Indian, a.
Manila hemp, the fiber of Musa textilis.
Sisal hemp, the fiber of Agave sisalana, of Mexico and
Yucatan.
Sunn hemp, a fiber obtained from a leguminous plant
(Crotalaria juncea).
Water hemp, an annual American weed (Acnida cannabina),
related to the amaranth. Halesia tetrapteraSilver Sil"ver, a.
1. Of or pertaining to silver; made of silver; as, silver
leaf; a silver cup.
2. Resembling silver. Specifically:
(a) Bright; resplendent; white. ``Silver hair.' --Shak.
Others, on silver lakes and rivers, bathed Their
downy breast. --Milton.
(b) Precious; costly.
(c) Giving a clear, ringing sound soft and clear. ``Silver
voices.' --Spenser.
(d) Sweet; gentle; peaceful. ``Silver slumber.'
--Spenser.
American silver fir (Bot.), the balsam fir. See under
Balsam.
Silver age (Roman Lit.), the latter part (a. d. 14-180) of
the classical period of Latinity, -- the time of writers
of inferior purity of language, as compared with those of
the previous golden age, so-called.
Silver-bell tree (Bot.), an American shrub or small tree
(Halesia tetraptera) with white bell-shaped flowers in
clusters or racemes; the snowdrop tree.
Silver bush (Bot.), a shrubby leguminous plant (Anthyllis
Barba-Jovis) of Southern Europe, having silvery foliage.
Silver chub (Zo["o]l.), the fallfish.
Silver eel. (Zo["o]l.)
(a) The cutlass fish.
(b) A pale variety of the common eel.
Silver fir (Bot.), a coniferous tree (Abies pectinata)
found in mountainous districts in the middle and south of
Europe, where it often grows to the height of 100 or 150
feet. It yields Burgundy pitch and Strasburg turpentine.
Silver foil, foil made of silver.
Silver fox (Zo["o]l.), a variety of the common fox (Vulpes
vulpes, variety argenteus) found in the northern parts
of Asia, Europe, and America. Its fur is nearly black,
with silvery tips, and is highly valued. Called also
black fox, and silver-gray fox.
Silver gar. (Zo["o]l.) See Billfish
(a) .
Silver grain (Bot.), the lines or narrow plates of cellular
tissue which pass from the pith to the bark of an
exogenous stem; the medullary rays. In the wood of the oak
they are much larger than in that of the beech, maple,
pine, cherry, etc.
Silver grebe (Zo["o]l.), the red-throated diver. See
Illust. under Diver.
Silver hake (Zo["o]l.), the American whiting.
Silver leaf, leaves or sheets made of silver beaten very
thin.
Silver lunge (Zo["o]l.), the namaycush.
Silver moonfish.(Zo["o]l.) See Moonfish
(b) .
Silver moth (Zo["o]l.), a lepisma.
Silver owl (Zo["o]l.), the barn owl.
Silver perch (Zo["o]l.), the mademoiselle, 2.
Silver pheasant (Zo["o]l.), any one of several species of
beautiful crested and long-tailed Asiatic pheasants, of
the genus Euplocamus. They have the tail and more or
less of the upper parts silvery white. The most common
species (E. nychtemerus) is native of China.
Silver plate, domestic utensils made of silver. icositetrahedronTrisoctahedron Tris*oc`ta*he"dron, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle. Icositetrahedron
Icositetrahedron I`co*si*tet`ra*he"dron, n. [Gr. ? twenty + ?,
combining form of ? four + ? seat, base.] (Crystallog.)
A twenty-four-sided solid; a tetragonal trisoctahedron or
trapezohedron.
Manis tetradactylaPhatagin Phat"a*gin, n. [Cf. Gr. ?; perhaps from native name.]
(Zo["o]l.)
The long-tailed pangolin (Manis tetradactyla); -- called
also ipi. PseudotetrameraPseudotetramera Pseu`do*te*tram"e*ra, n. pl. [NL. See
Pseudo-, and Tetramerous.] (Zo["o]l.)
A division of beetles having the fifth tarsal joint minute
and obscure, so that there appear to be but four joints. --
Pseu`do*te*tram"er*al, a. PseudotetrameralPseudotetramera Pseu`do*te*tram"e*ra, n. pl. [NL. See
Pseudo-, and Tetramerous.] (Zo["o]l.)
A division of beetles having the fifth tarsal joint minute
and obscure, so that there appear to be but four joints. --
Pseu`do*te*tram"er*al, a. Regular tetrahedronTetrahedron Tet`ra*he"dron, n. [Tetra- + Gr. ? seat, base, fr.
? to sit.] (Geom.)
A solid figure inclosed or bounded by four triangles.
Note: In crystallography, the regular tetrahedron is regarded
as the hemihedral form of the regular octahedron.
Regular tetrahedron (Geom.), a solid bounded by four equal
equilateral triangles; one of the five regular solids. Suricata tetradactylaZenick e"nick, n. (Zo["o]l.)
A South African burrowing mammal (Suricata tetradactyla),
allied to the civets. It is grayish brown, with yellowish
transverse stripes on the back. Called also suricat. Tamandua tetradactylaTamandu Ta*man"du, n. [Sp., from the native name: cf. F.
tamandua.] (Zo["o]l.)
A small ant-eater (Tamandua tetradactyla) native of the
tropical parts of South America.
Note: It has five toes on the fore feet, an elongated snout,
small ears, and short woolly hair. Its tail is stout
and hairy at the base, tapering, and covered with
minute scales, and is somewhat prehensile at the end.
Called also tamandua, little ant-bear,
fourmilier, and cagouare. The collared, or striped,
tamandu (Tamandua bivittata) is considered a distinct
species by some writers, but by others is regarded as
only a variety. Tetra-Tetra- Tet"ra- [Gr. te`tra-, from te`sares, te`ttares, four.
See Four.]
1. A combining form or prefix signifying four, as in
tetrabasic, tetrapetalous.
2. (Chem.) A combining form (also used adjectively) denoting
four proportional or combining parts of the substance or
ingredient denoted by the term to which it is prefixed, as
in tetra-chloride, tetroxide. TetrabasicTetrabasic Tet`ra*bas"ic, a. [Tetra- + basic.] (Chem.)
Capable of neutralizing four molecules of a monacid base;
having four hydrogen atoms capable of replacement by bases;
quadribasic; -- said of certain acids; thus, normal silicic
acid, Si(OH)4, is a tetrabasic acid. TetraboricTetraboric Tet`ra*bor"ic, a. [Tetra- + boric.] (Chem.)
Same as Pyroboric. tetraboricPyroboric Pyr`o*bo"ric, a. [Pyro- + boric.] (Chem.)
Pertaining to derived from, or designating, an acid, H2B4O7
(called also tetraboric acid), which is the acid ingredient
of ordinary borax, and is obtained by heating boric acid. TetrabranchiataTetrabranchiata Tet`ra*bran`chi*a"ta, n. pl. [NL. See
Tetra-, and Branchia.] (Zo["o]l.)
An order of Cephalopoda having four gills. Among living
species it includes only the pearly nautilus. Numerous genera
and species are found in the fossil state, such as Ammonites,
Baculites, Orthoceras, etc. Tetrabranchiate
Tetrabranchiate Tet`ra*bran`chi*ate, a. [Tetra + branchiate.]
(Zo["o]l.)
Of or pertaining to the Tetrabranchiata. -- n. One of the
Tetrabranchiata.
Tetracarpel
Tetracarpel Tet`ra*car"pel, a. [Tetra- + carpellary.] (Bot.)
Composed of four carpels.
Tetracera alnifolia or potatoriaWater tree Wa"ter tree` (Bot.)
A climbing shrub (Tetracera alnifolia, or potatoria) of
Western Africa, which pours out a watery sap from the freshly
cut stems. Tetrachotomous
Tetrachotomous Tet`ra*chot"o*mous, a. [Gr. te`tracha in four
parts + te`mnein to cut.] (Bot.)
Having a division by fours; separated into four parts or
series, or into series of fours.
TetracidTetracid Tet*rac"id, a. [Tetra + acid.] (Chem.)
Capable of neutralizing four molecules of a monobasic acid;
having four hydrogen atoms capable of replacement ba acids or
acid atoms; -- said of certain bases; thus, erythrine,
C4H6(OH)4, is a tetracid alcohol. TetracoccousTetracoccous Tet`ra*coc"cous, a. [See Tetra-, and Coccus.]
(Bot.)
Having four cocci, or carpels. TetracolonTetracolon Tet`ra*co"lon, n. [Gr. ? with four members; te`tra-
(see Tetra-) + ? limb, member.] (Pros.)
A stanza or division in lyric poetry, consisting of four
verses or lines. --Crabb. TetracorallaTetracoralla Te`tra*co*ral"la, n. pl. [NL. See Tetra-, and
Corallum.] (Paleon.)
Same as Rugosa. Tetractinellid
Tetractinellid Te*trac`ti*nel"lid, n. (Zo["o]l.)
Any species of sponge of the division Tetractinellida. Also
used adjectively.
TetractinellidaTetractinellida Te*trac`ti*nel"li*da, n. pl. [NL., from Gr.
te`tra- tetra- + ?, ?, ray, spoke.] (Zo["o]l.)
A division of Spongi[ae] in which the spicules are siliceous
and have four branches diverging at right angles. Called also
Tetractinellin[ae]. TetractinellinaeTetractinellida Te*trac`ti*nel"li*da, n. pl. [NL., from Gr.
te`tra- tetra- + ?, ?, ray, spoke.] (Zo["o]l.)
A division of Spongi[ae] in which the spicules are siliceous
and have four branches diverging at right angles. Called also
Tetractinellin[ae].
Meaning of TeTRa from wikipedia
- Look up
tetra in Wiktionary, the free dictionary.
Tetra is the
common name of many
small freshwater characiform fishes.
Tetras come from Africa, Central...
-
Terrestrial Trunked Radio (
TETRA;
formerly known as Trans-European
Trunked Radio), a
European standard for a
trunked radio system, is a
professional mobile...
-
Tetra Pak is a
Swedish multinational food
packaging and
processing company headquartered in Switzerland. The
company offers packaging,
filling machines...
- The neon
tetra (Paracheirodon innesi) is a
freshwater fish of the
characin family (family Characidae) of
order Characiformes. The type
species of its...
- The
cardinal tetra (Paracheirodon axelrodi) is a
freshwater fish of the
family Characidae of
order Characiformes. It is
native to the
upper Orinoco and...
- The
Mexican tetra (Astyanax mexic****), also
known as the
blind cave fish,
blind cave
characin or the
blind cave
tetra, is a
freshwater fish in the Characidae...
-
Tetra Laval is a Swiss-domiciled
multinational corporation of
Swedish origin, with
headquarters in
Pully (Vaud), Switzerland. The
Tetra Laval Group provides...
-
Tetra Brik is a
brand name for a
carton package produced by the
Swedish packaging company Tetra Pak. Its
shape is
cubic or cuboid, and it is available...
-
Tetra Tech, Inc. is an
American consulting and
engineering services firm
based in Pasadena, California. The
company provides consulting, engineering,...
- The
Congo tetra (Phenacogrammus interruptus) is a
species of fish in the
African tetra family,
found in the
central Congo River Basin in Africa. It is...
