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单词 coral
释义

coral


coral

hard, rocklike structures formed by marine coelenterates; yellowish red
Not to be confused with:choral – sung by or adapted for a chorus or choirchorale – harmonized hymn; a chorus or choircorral – an enclosure for livestock

cor·al

C0325500 (kôr′əl, kŏr′-)n.1. a. A rocklike deposit consisting of the calcareous skeletons secreted by various marine invertebrates, chiefly anthozoans. Coral deposits often accumulate to form reefs or islands in warm seas.b. A polyp or colony of polyps of any of the numerous anthozoans that secrete a hard or flexible skeleton, especially the reef-building hard corals.c. A polyp or colony of polyps of any of various hydrozoans that secrete hard skeletons, such as the fire corals.d. The hard skeleton of various corals, especially of red corals of the genus Corallium, used to make jewelry and ornaments.e. An object made of this material.2. A deep or strong pink to moderate red or reddish orange.3. The unfertilized eggs of a female lobster, which turn a reddish color when cooked.adj. Of a deep or strong pink to moderate red or reddish orange.
[Middle English, from Old French, from Latin corallium, from Greek korallion.]

coral

(ˈkɒrəl) n1. (Animals) any marine mostly colonial coelenterate of the class Anthozoa having a calcareous, horny, or soft skeleton. See also stony coral, sea fan2. (Zoology) a. the calcareous or horny material forming the skeleton of certain of these animalsb. (as modifier): a coral reef. See also red coral3. (Animals) a. a rocklike aggregation of certain of these animals or their skeletons, forming an island or reefb. (as modifier): a coral island. 4. (Jewellery) a. an object made of coral, esp a piece of jewelleryb. (as modifier): a coral necklace. 5. (Colours) a. a deep-pink to yellowish-pink colourb. (as adjective): coral lipstick. 6. (Cookery) the roe of a lobster or crab, which becomes pink when cooked[C14: from Old French, from Latin corāllium, from Greek korallion, probably of Semitic origin]

cor•al

(ˈkɔr əl, ˈkɒr-)

n. 1. the hard, variously colored, calcareous skeleton secreted by certain marine polyps. 2. such skeletons collectively, forming reefs, islands, etc. 3. any of several solitary or colonial anthozoan marine polyps that secrete this calcareous skeleton. 4. a color ranging from reddish to pinkish yellow. 5. the roe of the lobster, resembling red coral when cooked. 6. something made of coral. adj. 7. made of coral. 8. making coral: a coral polyp. 9. resembling coral, esp. in color. [1275–1325; Middle English coral(l) < Latin corāll(i)um < Greek korallion red coral, perhaps < Semitic; compare Hebrew gōrāl pebble]

cor·al

(kôr′əl)1. Any of numerous small, sedentary animals that often form massive colonies in shallow sea water. They secrete a cup-shaped skeleton of calcium carbonate, which they can retreat into when in danger. Corals are cnidarians and have stinging tentacles radiating around their mouth opening. The tentacles are used in catching prey.2. A hard, stony substance consisting of the skeletons of these animals. It is typically white, pink, or reddish and can form large reefs that support an abundance of ocean fish.
Thesaurus
Noun1.coral - a variable color averaging a deep pinkcoral - a variable color averaging a deep pinkpink - a light shade of red
2.coral - the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelrycoral - the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelryprecious coral, red coralopaque gem - a gemstone that is opaque
3.coral - unfertilized lobster roe; reddens in cooking; used as garnish or to color sauceslobster - flesh of a lobsterhard roe, roe - fish eggs or egg-filled ovary; having a grainy texture
4.coral - marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefsactinozoan, anthozoan - sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressedgorgonian, gorgonian coral - corals having a horny or calcareous branching skeletonmadrepore, madriporian coral, stony coral - corals having calcareous skeletons aggregations of which form reefs and islands
Adj.1.coral - of a strong pink to yellowish-pink colorchromatic - being or having or characterized by hue
Translations
珊瑚珊瑚色珊瑚虫

coral

(ˈkorəl) noun, adjective1. (of) a hard substance of various colours, made up of skeletons of a kind of tiny sea animal. a necklace made of coral; a coral reef. 珊瑚 珊瑚,珊瑚虫 2. (of) an orange-pink colour. 珊瑚色 珊瑚色

coral

珊瑚zhCN

coral


coral,

small, sedentary marine animal, related to the sea anemone but characterized by a skeleton of horny or calcareous material. The skeleton itself is also called coral. Although most corals form colonies by budding, there are some solitary corals; in both types the individual animals, called polyps, resemble the sea anemone in form.

Corals grow in warm and temperate climates and in the cold water found at greater depths, but they are most abundant in warm, shallow water; over 200 coral species are found in the Great Barrier ReefGreat Barrier Reef,
largest complex of coral reef in the world, c.1,250 mi (2,000 km) long, in the Coral Sea, forming a natural breakwater for the coast of Queensland, NE Australia.
..... Click the link for more information.
 of Australia. In many shallow-water species the polyps contain unicellular plants, which may provide the high oxygen concentration required by such corals.

Stony Corals

In the large group known as stony corals, or true corals (Madreporaria), each polyp secretes a cup-shaped skeleton, the theca, around itself. Some solitary corals of that group may reach a diameter of 10 in. (25 cm); in the colonial forms the individual polyps are usually under 1-8 in. (3 mm) long, but the colonies may be enormous. The body of each polyp is saclike, consisting of a wall of jellylike material surrounding a digestive cavity, with a single opening, the mouth, at the unattached end. The mouth is surrounded by tentacles used to capture small prey and is invaginated to form a pharynx leading into the body cavity. Thin sheets of tissue (mesentaries) extend radially from the wall to the pharynx, dividing the cavity. A second set of radial divisions is created by folds (septa) of the outer skeleton and body wall, which extend upward from the floor of the body cavity. Reproduction occurs both sexually and by budding. Sexual reproduction is by means of eggs and sperm, which are produced in the mesentaries and shed into the water. Fertilization results in a free-swimming larva, which attaches to a surface and secretes a skeleton, becoming (in colonial forms) the parent of a new colony.

As new polyps are produced by budding they remain attached to each other by thin sheets of living tissue as well as by newly secreted skeletal material. The great variety in the form of various colonial corals, which may be treelike and branching, or rounded and compact, depends chiefly on the method of budding of the particular species. In the brain corals, for example, each theca merges with the one next to it on either side, forming long rows of polyps separated by deep channels. In some of the branching corals the polyps occupy small, discrete pits on the surface of the skeleton. As a colonial coral produces more polyps the lower members die and new layers are built up on the old skeleton, forming a large mass. In tropical and subtropical regions these massive corals, along with other plants and animals, may form a coral reefcoral reefs,
limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians that secrete an exoskeleton of calcium carbonate (limestone).
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. Most of the reef-forming corals belong to the stony coral group.

Soft Corals

The soft corals (Alcyonaria) are a group of soft, often feathery forms, with skeletons composed of calcareous or horny particles imbedded in the body wall. Each polyp of a soft coral has eight tentacles. Among the well-known soft corals are the sea pensea pen,
long, slender colonial organism of the same phylum as the jellyfish. Sea pen colonies are formed by several genera of the order Pennatulacea. The colony consists of a stalk formed by an organism called a primary polyp (see polyp and medusa) and short branches formed by
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, sea pansysea pansy,
fleshy, leaf-shaped colony of marine organisms belonging to the genus Renilla in the same phylum as the jellyfish. The colony consists of a stalk formed by a large organism called a primary polyp (see polyp and medusa) that is thrust into soft bottom material;
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, whip coral, and organpipe coral. The precious red coral (Corallium) of the Mediterranean Sea, used for jewelry, also belongs to that group. The spicules of its skeleton are fused together.

Classification

Stony and soft corals are classified in the phylum CnidariaCnidaria
or Coelenterata
, phylum of invertebrate animals comprising the sea anemones, corals, jellyfish, and hydroids. Cnidarians are radially symmetrical (see symmetry, biological).
..... Click the link for more information.
, class Anthozoa.

coral

[′kä·rəl] (invertebrate zoology) The skeleton of certain solitary and colonial anthozoan cnidarians; composed chiefly of calcium carbonate.

coral

cures madness; stanches blood from wound. [Gem Symbolism: Kunz, 68]See: Healing

coral

1. any marine mostly colonial coelenterate of the class Anthozoa having a calcareous, horny, or soft skeleton 2. a. the calcareous or horny material forming the skeleton of certain of these animals b. (as modifier): a coral reef 3. a. a rocklike aggregation of certain of these animals or their skeletons, forming an island or reef b. (as modifier): a coral island 4. a. a deep-pink to yellowish-pink colour b. (as adjective): a coral blouse

CORAL

(1)Class Oriented Ring Associated Language.

CORAL

(2)A deductive database and logic programming system basedon Horn-clause rules with extensions like SQL's group-byand aggregation operators. CORAL was developed at theUniversity of Wisconsin-Madison. It is implemented in C++ andhas a Prolog-like syntax.

Many evaluation techniques are supported, including bottom-up fixpoint evaluation and top-down backtracking. Modulesare separately compiled; different evaluation methods can beused in different modules within a single program.Disk-resident data is supported via an interface to theExodus storage manager. There is an on-line help facility.It requires AT&T C++ 2.0 (or G++ soon) and runs onDecstation and Sun-4.

ftp://ftp.cs.wisc.edu/.

coral


coral

  1. the calcareous skeleton of certain COELENTERATES.
  2. the skeleton together with the animals which live in it and secrete it, the whole structure often forming a reef. The animals, usually anthozoans and hydrozans, have a POLYP structure.

CORAL


AcronymDefinition
CORALCoral Reef Alliance
CORALClass Oriented Ring Associated Language
CORALCommunities Organizing Resources to Advance Learning (Fresno, CA)
CORALCardiovascular Outcomes in Renal Atherosclerotic Lesions
CORALClass Oriented Ring Associated Language (computer language)
CORALCouncil of Research and Academic Libraries (San Antonio, TX)
CORALCoordinated Regional Allowance List

coral


  • all
  • noun
  • adj

Synonyms for coral

noun a variable color averaging a deep pink

Related Words

  • pink

noun the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry

Synonyms

  • precious coral
  • red coral

Related Words

  • opaque gem

noun unfertilized lobster roe

Related Words

  • lobster
  • hard roe
  • roe

noun marine colonial polyp characterized by a calcareous skeleton

Related Words

  • actinozoan
  • anthozoan
  • gorgonian
  • gorgonian coral
  • madrepore
  • madriporian coral
  • stony coral

adj of a strong pink to yellowish-pink color

Related Words

  • chromatic
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