Definition of Barrier. Meaning of Barrier. Synonyms of Barrier
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Definition of Barrier
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barrier reefsCoral Cor"al, n. [Of. coral, F, corail, L. corallum, coralium,
fr. Gr. kora`llion.]
1. (Zo["o]l.) The hard parts or skeleton of various Anthozoa,
and of a few Hydrozoa. Similar structures are also formed
by some Bryozoa.
Note: The large stony corals forming coral reefs belong to
various genera of Madreporaria, and to the hydroid
genus, Millepora. The red coral, used in jewelry, is
the stony axis of the stem of a gorgonian (Corallium
rubrum) found chiefly in the Mediterranean. The fan
corals, plume corals, and sea feathers are species
of Gorgoniacea, in which the axis is horny.
Organ-pipe coral is formed by the genus Tubipora, an
Alcyonarian, and black coral is in part the axis of
species of the genus Antipathes. See Anthozoa,
2. The ovaries of a cooked lobster; -- so called from their
3. A piece of coral, usually fitted with small bells and
other appurtenances, used by children as a plaything.
Brain coral, or Brain stone coral. See under Brain.
Chain coral. See under Chain.
Coral animal (Zo["o]l.), one of the polyps by which corals
are formed. They are often very erroneously called coral
Coral fish. See in the Vocabulary.
Coral reefs (Phys. Geog.), reefs, often of great extent,
made up chiefly of fragments of corals, coral sands, and
the solid limestone resulting from their consolidation.
They are classed as fringing reefs, when they border the
land; barrier reefs, when separated from the shore by a
broad belt of water; atolls, when they constitute
separate islands, usually inclosing a lagoon. See Atoll.
Coral root (Bot.), a genus (Corallorhiza) of orchideous
plants, of a yellowish or brownish red color, parasitic on
roots of other plants, and having curious jointed or
knotted roots not unlike some kinds of coral. See Illust.
Coral snake. (Zo)
(a) A small, venomous, Brazilian snake (Elaps
corallinus), coral-red, with black bands.
(b) A small, harmless, South American snake (Tortrix
Coral tree (Bot.), a tropical, leguminous plant, of several
species, with showy, scarlet blossoms and coral-red seeds.
The best known is Erythrina Corallodendron.
Coral wood, a hard, red cabinet wood. --McElrath.
Meaning of Barrier from wikipedia
- A barrier
is a physical structure which blocks
may also refer
, Kentucky, a community
in the United...
- The blood–brain barrier
(BBB) is a highly selective semipermeable border
of endothelial cells
that prevents solutes
in the circulating blood
- A border barrier
is a separation barrier
that runs along
border. Such barriers
are typically constructed
for border control purposes
- The Great Barrier
Reef is the world's largest coral
reef system composed
of over 2,900 individual reefs
and 900 islands stretching
for over 2,300 kilometres...
- The Barrier
is a lava dam retaining
in southwestern British
Columbia, Canada. It is over 300 m (980 ft) thick
- The sound barrier
or sonic barrier
is the sudden increase
drag and other undesirable effects experienced
by an aircraft
- Schottky barrier
, named after Walter
H. Schottky, is a potential energy barrier
for electrons formed
at a metal–semiconductor junction. Schottky barriers
- Barrier islands
are coastal landforms
and a type of dune system
that are exceptionally
flat or lumpy areas
of sand that form by wave and tidal
- A Jersey barrier
wall, or Jersey
bump is a modular concrete
or plastic barrier
emplo**** to separate lanes
of traffic. It is designed
- A flood barrier
, surge barrier
or storm surge barrier
is a specific
type of floodgate, designed
a storm surge
tide from flooding...
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