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单词 hydra
释义

hydran.

Brit. /ˈhʌɪdrə/, U.S. /ˈhaɪdrə/
Forms: α. Middle English–1500s ydre, Middle English ydres, 1500s–1600s hydre, hyder. β. Middle English idra, 1500s–1600s hidra, 1500s– hydra.
Etymology: < Latin hydra, < Greek ὕδρα , water-serpent; spec. as in sense 1. Some of the earlier forms are < Old French idres, ydre (modern French hydre).
I. Mythological and related senses.
1. Greek Mythology. The fabulous many-headed snake of the marshes of Lerna, whose heads grew again as fast as they were cut off: said to have been at length killed by Hercules.
ΘΚΠ
the world > the supernatural > supernatural being > mythical creature or object > [noun] > characters from classical mythology > snakes
hydrac1374
pythonc1390
α.
c1374 G. Chaucer tr. Boethius De Consol. Philos. (Cambr.) iv. pr. vi. 104 Whan o dowte is determyned and kut awey, ther wexen oother dowtes with-owte nowmbyr ryht as the heuedes wexen of ydre the serpent þat Ercules slowh.
a1464 J. Capgrave Abbreuiacion of Cron. (Cambr. Gg.4.12) (1983) 28 The vii. [labour of Hercules], killyng of þe grete serpent cleped Ydras.
1509 S. Hawes Pastime of Pleasure xi. xix How redoubted Hercules..Fought with an ydre.
1590 E. Spenser Faerie Queene ii. xii. sig. Aav Spring-headed Hydres, and sea-shouldring Whales.
β. 1398 J. Trevisa tr. Bartholomew de Glanville De Proprietatibus Rerum (Bodl.) xviii. ix Ydra is a serpente wiþ many hedes..and it is seide that ȝif one hed is smyte of þree hedes growiþ aȝen.1596 E. Spenser Second Pt. Faerie Queene vi. xii. sig. Kk3v Like the hell-borne Hydra, which they faine That great Alcides whilome ouerthrew. View more context for this quotationa1616 W. Shakespeare Othello (1622) ii. iii. 297 Had I as many mouthes as Hydra, such an answer would stop em all. View more context for this quotation1667 J. Milton Paradise Lost ii. 628 Worse Then Fables yet have feign'd, or fear conceiv'd, Gorgons and Hydra's, and Chimera's dire. View more context for this quotationa1780 J. Harris Philol. Inq. (1781) iii. iii. 269 When Alexander the Great died, many tyrants, like many hydras, immediately sprung up.1879 Gladstone in Liberal Mag. 1 No. 6. 663 The Eastern question has as many heads as the hydra.
2. transferred and figurative. A thing, person, or body of persons compared to the Lernaean hydra in its baneful or destructive character, its multifarious aspects, or the difficulty of its extirpation.
ΘΚΠ
the world > existence and causation > creation > destruction > [noun] > one who or that which destroys
baneOE
losera1340
leeserc1380
stroyerc1380
destroyer1382
ravenerc1390
castera1400
confounder1401
wastera1425
stroyc1440
undoerc1440
unmakerc1450
confounderess1509
hydraa1513
stroy-good1540
abolisher1548
thunderbolt1559
disannullera1572
stroy-all1573
ruiner1581
down-puller1583
murdererc1585
spendingc1595
blaster1598
assassin1609
ruinater1609
dissolver1611
minerc1614
destructioner1621
fordoer1631
sinker1632
destructive1640
deletery1642
assassinatea1658
ruinator1658
destroyeress1662
destructora1691
dissolvent1835
solvent1841
wrecker1882
destructant1889
the world > relative properties > relationship > variety > [noun] > one who practises variation > hydra
hydraa1513
a1513 R. Fabyan New Cronycles Eng. & Fraunce (1516) I. cciiii. f. cxxvv The serpent Idre, of enuy and false conspyracy, whiche euer burned in the harte of Edricus.
1551 J. Bale Actes Eng. Votaryes: 2nd Pt. f. cxviijv That odyouse hydre and hissinge serpent of Rome.
1586 T. Bowes tr. P. de la Primaudaye French Acad. I. 400 They minister life and nourishment..to this monstrous Hydra of couetousnesse and lucre.
1592 S. Daniel Delia xv. (R.) And yet the hydra of my cares renews Still new born sorrows of her fresh disdain.
1721 N. Amhurst Terræ-filius 15 Feb. The Hydra is not to be destroy'd, unless you strike off all the Heads at once;..if you were to turn out one Jacobite Head of a College, another as bad is ready to step in his room.
1808 H. More Cœlebs in Search of Wife II. xxv. 35 Selfishness..is the hydra we are perpetually combating.
1850 C. Merivale Hist. Romans under Empire II. xii. 26 The hydra of revolt lay stunned and prostrate.
3. A rhetorical term for any terrific serpent or reptile; a ‘dragon’.
ΘΚΠ
the world > animals > reptiles > [noun] > reptile > huge or like a dragon
wormOE
hydra1546
1546 J. Bale Actes Eng. Votaryes: 1st Pt. f. 77v Great honoure.. yt was to Saynt George that noble captayne, to slee the great hydre or Dragon at Silena.
1613 S. Purchas Pilgrimage vi. i. 467 The Deserts of Lybia have in them many Hydras.
1851–78 C. L. Smith tr. T. Tasso Jerusalem Delivered iv. v Hydras hiss, and Pythons whistling wail.
4. A water-snake; esp. one of the venomous sea-snakes of the Indian and Pacific Oceans.
ΘΚΠ
the world > animals > reptiles > order Squamata (lizards and snakes) > suborder Ophidia (snakes) > [noun] > member of (snake) > aquatic
water addereOE
rinatrixa1398
water snake1527
water serpent1530
sea-adder1601
hydra1608
sea-serpent1672
water viper1737
sea-snake1827
the world > animals > reptiles > order Squamata (lizards and snakes) > suborder Ophidia (snakes) > types of snake > [noun] > member of family Hydrophidae
water snake1527
water serpent1530
hydra1608
sea-serpent1672
sea-snake1827
Hydrus1838
1608 E. Topsell Hist. Serpents 235 All water-serpents, as well of the fresh, salt, & sweet waters may be called Hyders, or Snakes.
1814 H. F. Cary tr. Dante Vision I. ix. 36 Around them greenest hydras twisting roll'd Their volumes.
1855 R. W. Emerson Sov. Ethics in Wks. (1906) III. 374 Her interiors are terrific, full of hydras and crocodiles.
5. Astronomy. An ancient southern constellation, represented as a water-snake or sea-serpent. Its chief star is Alphard or Cor Hydræ, of the second magnitude.
ΘΚΠ
the world > the universe > constellation > Southern constellations > [noun] > Hydra
serpent1556
hydra1559
water serpent1599
water snake1838
1559 W. Cuningham Cosmogr. Glasse 27 A Table of many notable fixed Sterres with their longitude..Brightest in Hydra.
1674 J. Moxon Tutor to Astron. & Geogr. (ed. 3) 221 Hydra, the Hydre.
1838 Penny Cycl. XII. 379/2 Hydra, the Water-snake, one of the old constellations.
1870 R. A. Proctor Other Worlds than Ours xii. 293 The very existence of such a stream as Eridanus or Hydra..implies..such a process of segregation.
II. Technical senses relating to living organisms.
6. Zoology.
a. (plural usually hydrae.) A genus of Hydrozoa, consisting of freshwater polyps of very simple structure, the body having the form of a cylindrical tube, with a mouth surrounded by a ring of tentacles with stinging thread-cells.The name was given to it by Linnæus (1756), in allusion to the fact that cutting it in pieces only multiplies its numbers.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of order Hydroidea > genus Hydra
hydra1798
1798 F. Kanmacher Adams's Ess. Microscope (ed. 2) (title page) An account of the..singular properties of the Hydræ and Verticellæ.
1835–6 Todd's Cycl. Anat. & Physiol. I. 609/1 The Hydra..is the largest..of the Fresh-water Polypi.
1847 W. B. Carpenter Zool.: Systematic Acct. II. §1050 If cut transversely into several segments, each will in time become a perfect animal, so that thirty or forty Hydræ may thus be produced by the section of one.
1861 J. R. Greene Man. Animal Kingdom II. 20 The Hydra possesses a gelatinous, sub-cylindrical body..having one end expanded into an adherent disc, or foot, a mouth being situated at its opposite extremity.
b. The sexual bud or medusa of any hydroid hydrozoan; so called from its resemblance to an individual of the genus Hydra.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of order Hydroidea > gonophore
meconidium1849
hydra1865
1865 E. C. Agassiz & A. Agassiz Seaside Stud. Nat. Hist. 23 The whole mass of the coral is porous, and the cavities occupied by the Hydrae are sunk perpendicularly to the surface within the rock.
c. hydra tuba n. a larval or non-sexual form of hydroid in certain Hydrozoa, of a trumpet-like form.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Hydrozoa > member of > zooid > larval
hydra tuba1847
1847 J. G. Dalyell Rare Animals Scotl. I. 76 Hydra tuba, the Trumpet Polypus.
1858 T. H. Huxley Oceanic Hydrozoa 7 The like structure is observable in the ‘Hydra tuba’, the larval form of the Lucernarian Medusæ.
1870 H. A. Nicholson Man. Zool. I. 101 The Hydra-tuba, as the young organism at this stage of its career has been termed by Sir J. G. Dalyell.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 780 The non-sexual Hydroid form of the Acraspeda, the Scyphistoma or Hydra tuba.

Compounds

C1. attributive.
a. in senses 1, 2: Of or belonging to a hydra, hydra-like; having as many heads, or as difficult to extirpate, as the Lernæan hydra.
ΘΚΠ
the world > action or operation > difficulty > [adjective] > difficult to extirpate
hydra1586
1586 T. Bowes tr. P. de la Primaudaye French Acad. I. 455 Protectors of this Hydra Ignorance.
a1616 W. Shakespeare Henry IV, Pt. 2 (1623) iv. i. 264 Whereon this Hydra-Sonne [1600 Hidra, sonne] of Warre is borne.
1683 T. Hoy Agathocles 16 Poor Men! our Fruitful Hydra-Ills encrease, For One Head lost, an Hundred in the Place.
1708 J. Ozell tr. N. Boileau-Despréaux Lutrin vi. 113 Tyranny Erects her Hydra-head.
1743 E. Young Complaint: Night the Fourth 47 Dark Dæmons I discharge, and Hydra-stings.
1797 M. Robinson Walsingham I. 7 They are the hydra assailants which return with every hour.
1813 R. Wilson Private Diary II. 444 If there is a fight..you will then hear what a hydra force sprouted out for the occasion.
b. in sense 6: Belonging to or resembling the genus Hydra of polyps.
ΚΠ
1878 E. Clark Visit S. Amer. 45 This singular organism the physalia belongs to the hydra family, and is in every respect a jelly fish.
1880 E. R. Lankester in Nature 4 Mar. 413/2 The sperm from which a new generation of hydra-forms will spring.
C2. similative or parasynthetic, as hydra-headed, hydra-kinded, hydra-necked adjs.; also hydra-like adj.
ΘΚΠ
the world > relative properties > number > plurality > [adjective] > multiple
hydra-headed1589
multiplex1606
multiplicious1617
myriad1817
1589 W. Warner Albions Eng. (new ed.) v. xxviii. 126 Those Hydra-kinded warres.
a1616 W. Shakespeare Henry V (1623) i. i. 36 Nor neuer Hidra-headed Wilfulnesse So soone did loose his Seat; and all at once; As in this King. View more context for this quotation
1667 J. Dryden Annus Mirabilis 1666 ccxlix. 63 Hydra-like, the fire, Lifts up his hundred heads to aim his way.
1803 T. R. Malthus Ess. Princ. Population (new ed.) i. vi. 72 This hydra-headed monster rose again after a few years.
1842 Ainsworth's Mag. 2 43 The Puff Literary is hydra-headed.
1871 B. Jowett in tr. Plato Dialogues II. 41 Fancying that they can cut off at a blow the Hydra-like rogueries of mankind.
1899 Daily News 8 Feb. 7/5 The hydra~headed leadership of the Irish party.
1963 Daily Tel. 20 Nov. 14/2 The hydra-headed challenge of London's mounting traffic congestion.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2022).
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